10-letter words ending with ON
Dive into the specific realm of 10-letter words that conclude with the letter ON. This focused section reveals the fascinating ways in which words of this particular length, ending with ON, contribute to the richness of the English language. Whether it's for expanding your vocabulary, solving puzzles, or simply for the love of words, discover how these terms uniquely blend length and ending sound.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| television | 13 | broadcasting visual images of stationary or moving objects | - |
| permission | 14 | the act of giving a formal (usually written) authorization | - |
| connection | 14 | the process of bringing ideas or events together in memory or imagination | - |
| protection | 14 | payment extorted by gangsters on threat of violence | every store in the neighborhood had to pay him protection |
| production | 15 | an artifact that has been created by someone or some process | they export most of their agricultural production |
| revolution | 13 | a single complete turn (axial or orbital) | the revolution of the earth about the sun takes one year |
| generation | 11 | a coming into being | - |
| reputation | 12 | the state of being held in high esteem and honor | - |
| collection | 14 | request for a sum of money | - |
| impression | 14 | a concavity in a surface produced by pressing | he left the impression of his fingers in the soft mud |
| invitation | 13 | a request (spoken or written) to participate or be present or take part in something | an invitation to lunch |
| population | 14 | (statistics) the entire aggregation of items from which samples can be drawn | it is an estimate of the mean of the population |
| expression | 19 | a word or phrase that particular people use in particular situations | pardon the expression |
| medication | 15 | (medicine) something that treats or prevents or alleviates the symptoms of disease | - |
| commission | 16 | a group of representatives or delegates | - |
| confession | 15 | an admission of misdeeds or faults | - |
| discussion | 13 | an exchange of views on some topic | we had a good discussion |
| foundation | 14 | education or instruction in the fundamentals of a field of knowledge | he lacks the foundation necessary for advanced study |
| graduation | 12 | the act of arranging in grades | - |
| possession | 12 | the trait of resolutely controlling your own behavior | - |
| profession | 15 | an open avowal (true or false) of some belief or opinion | a profession of disagreement |
| depression | 13 | a state of depression and anhedonia so severe as to require clinical intervention | - |
| conclusion | 14 | event whose occurrence ends something | - |
| exhibition | 22 | a collection of things (goods or works of art etc.) for public display | - |
| convention | 15 | orthodoxy as a consequence of being conventional | - |
| suggestion | 12 | a proposal offered for acceptance or rejection | it was a suggestion we couldn't refuse |
| occupation | 16 | the act of occupying or taking possession of a building | occupation of a building without a certificate of occupancy is illegal |
| separation | 12 | (law) the cessation of cohabitation of man and wife (either by mutual agreement or under a court order) | - |
| compassion | 16 | a deep awareness of and sympathy for another's suffering | - |
| attraction | 12 | the quality of arousing interest; being attractive or something that attracts | her personality held a strange attraction for him |
| phenomenon | 17 | any state or process known through the senses rather than by intuition or reasoning | - |
| reflection | 15 | a likeness in which left and right are reversed | - |
| corruption | 14 | in a state of progressive putrefaction | - |
| inspection | 14 | a formal or official examination | we had to wait for the inspection before we could use the elevator |
| perfection | 17 | an ideal instance; a perfect embodiment of a concept | - |
| expedition | 20 | a military campaign designed to achieve a specific objective in a foreign country | - |
| temptation | 14 | the act of influencing by exciting hope or desire | - |
| definition | 14 | a concise explanation of the meaning of a word or phrase or symbol | - |
| conviction | 17 | (criminal law) a final judgment of guilty in a criminal case and the punishment that is imposed | the conviction came as no surprise |
| obligation | 13 | a personal relation in which one is indebted for a service or favor | - |
| opposition | 14 | the act of hostile groups opposing each other | the invaders encountered stiff opposition |
| ammunition | 14 | projectiles to be fired from a gun | - |
| aggression | 12 | violent action that is hostile and usually unprovoked | - |
| motivation | 15 | the act of motivating; providing incentive | - |
| revelation | 13 | the last book of the New Testament; contains visionary descriptions of heaven and of conflicts between good and evil and of the end of the world; attributed to Saint John the Apostle | - |
| comparison | 16 | qualities that are comparable | no comparison between the two books |
| liberation | 12 | the act of liberating someone or something | - |
| perception | 16 | becoming aware of something via the senses | - |
| dedication | 14 | a message that makes a pledge | - |
| transition | 10 | an event that results in a transformation | - |
| evacuation | 15 | the bodily process of discharging waste matter | - |
| extinction | 19 | complete annihilation | they think a meteor cause the extinction of the dinosaurs |
| suspension | 12 | an interruption in the intensity or amount of something | - |
| meditation | 13 | continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature | the habit of meditation is the basis for all real knowledge |
| discretion | 13 | the power of making free choices unconstrained by external agencies | - |
| concussion | 14 | any violent blow | - |
| demolition | 13 | an event (or the result of an event) that completely destroys something | - |
| watermelon | 15 | an African melon | - |
| resolution | 10 | the trait of being resolute | it was his unshakeable resolution to finish the work |
| procession | 14 | (theology) the origination of the Holy Spirit at Pentecost | the doctrine of the procession of the Holy Spirit from the Father and the Son |
| regulation | 11 | the act of controlling or directing according to rule | fiscal regulations are in the hands of politicians |
| decoration | 13 | an award for winning a championship or commemorating some other event | - |
| evaluation | 13 | act of ascertaining or fixing the value or worth of | - |
| federation | 14 | a union of political organizations | - |
| domination | 13 | power to dominate or defeat | - |
| accusation | 14 | a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt | - |
| indication | 13 | something that serves to indicate or suggest | an indication of foul play |
| redemption | 15 | the act of purchasing back something previously sold | - |
| assumption | 14 | a hypothesis that is taken for granted | any society is built upon certain assumptions |
| oppression | 14 | a feeling of being oppressed | - |
| starvation | 13 | the act of depriving of food or subjecting to famine | the besiegers used starvation to induce surrender |
| conception | 16 | the event that occurred at the beginning of something | - |
| admiration | 13 | a favorable judgment | a small token in admiration of your works |
| hesitation | 13 | indecision in speech or action | - |
| completion | 16 | (American football) a successful forward pass in football | - |
| correction | 14 | the act of disciplining | - |
| plantation | 12 | garden consisting of a small cultivated wood without undergrowth | - |
| prediction | 15 | the act of predicting (as by reasoning about the future) | - |
| adaptation | 13 | the process of adapting to something (such as environmental conditions) | - |
| proportion | 14 | magnitude or extent | a building of vast proportions |
| renovation | 13 | the act of improving by renewing and restoring | they are pursuing a general program of renovation to the entire property |
| wellington | 14 | (19th century) a man's high tasseled boot | - |
| simulation | 12 | representation of something (sometimes on a smaller scale) | - |
| projection | 21 | the acoustic phenomenon that gives sound a penetrating quality | our ukuleles have been designed to have superior sound and projection |
| precaution | 14 | a precautionary measure warding off impending danger or damage or injury etc. | he put an ice pack on the injury as a precaution |
| delegation | 12 | a group of representatives or delegates | - |
| repression | 12 | a state of forcible subjugation | the long repression of Christian sects |
| coronation | 12 | the ceremony of installing a new monarch | - |
| navigation | 14 | the guidance of ships or airplanes from place to place | - |
| extraction | 19 | properties attributable to your ancestry | - |
| deposition | 13 | the act of deposing someone; removing a powerful person from a position or office | - |
| complexion | 23 | the coloring of a person's face | - |
| submission | 14 | something (manuscripts or architectural plans and models or estimates or works of art of all genres etc.) submitted for the judgment of others (as in a competition) | several of his submissions were rejected by publishers |
| initiation | 10 | wisdom as evidenced by the possession of knowledge | his dullness was due to lack of initiation |
| recreation | 12 | activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation | days of joyous recreation with his friends |
| visitation | 13 | an annoying or frustrating or catastrophic event | a visitation of the plague |
| exhaustion | 20 | serious weakening and loss of energy | - |
| vegetation | 14 | all the plant life in a particular region or period | Pleistocene vegetation |
| relaxation | 17 | the act of making less strict | - |
| conversion | 15 | a spiritual enlightenment causing a person to lead a new life | - |
| charleston | 15 | state capital of West Virginia in the central part of the state on the Kanawha river | - |
| sanitation | 10 | making something sanitary (free of germs) as by sterilizing | - |
| detonation | 11 | a violent release of energy caused by a chemical or nuclear reaction | - |
| innovation | 13 | a creation (a new device or process) resulting from study and experimentation | - |
| succession | 14 | a following of one thing after another in time | - |
| persuasion | 12 | the act of persuading (or attempting to persuade); communication intended to induce belief or action | - |
| nomination | 12 | an address (usually at a political convention) proposing the name of a candidate to run for election | the nomination was brief and to the point |
| concession | 14 | the act of conceding or yielding | - |
| propulsion | 14 | the act of propelling | - |
| repetition | 12 | an event that repeats | - |
| excavation | 22 | the act of extracting ores or coal etc from the earth | - |
| irrigation | 11 | (medicine) cleaning a wound or body organ by flushing or washing out with water or a medicated solution | - |
| prevention | 15 | the act of preventing | money was allocated to study the cause and prevention of influenza |
| backgammon | 23 | a board game for two players; pieces move according to throws of the dice | - |
| expiration | 19 | the act of expelling air from the lungs | - |
| apparition | 14 | something existing in perception only | a ghostly apparition at midnight |
| insulation | 10 | insulating material that reduces or prevents the transmission of heat or sound or electricity | - |
| affliction | 18 | a cause of great suffering and distress | - |
| activation | 15 | the activity of causing to have energy and be active | - |
| percussion | 14 | the section of a band or orchestra that plays percussion instruments | - |
| salutation | 10 | (usually plural) an acknowledgment or expression of good will (especially on meeting) | - |
| distortion | 11 | a change for the worse | - |
| combustion | 16 | a process in which a substance reacts with oxygen to give heat and light | - |
| mutilation | 12 | the act of damaging the appearance or surface of something | - |
| absolution | 12 | the act of absolving or remitting; formal redemption as pronounced by a priest in the sacrament of penance | - |
| litigation | 11 | a legal proceeding in a court; a judicial contest to determine and enforce legal rights | - |
| disruption | 13 | an act of delaying or interrupting the continuity | - |
| irritation | 10 | unfriendly behavior that causes anger or resentment | - |
| relocation | 12 | the transportation of people (as a family or colony) to a new settlement (as after an upheaval of some kind) | - |
| perversion | 15 | an aberrant sexual practice | - |
| moderation | 13 | the trait of avoiding excesses | - |
| contention | 12 | a contentious speech act; a dispute where there is strong disagreement | - |
| encryption | 17 | the activity of converting data or information into code | - |
| desolation | 11 | a bleak and desolate atmosphere | - |
| aberration | 12 | an optical phenomenon resulting from the failure of a lens or mirror to produce a good image | - |
| castration | 12 | the deletion of objectionable parts from a literary work | - |
| compulsion | 16 | an urge to do or say something that might be better left undone or unsaid | he felt a compulsion to babble on about the accident |
| dissection | 13 | a minute and critical analysis | - |
| amputation | 14 | a condition of disability resulting from the loss of one or more limbs | - |
| limitation | 12 | an act of limiting or restricting (as by regulation) | - |
| congestion | 13 | excessive crowding | traffic congestion |
| estimation | 12 | an approximate calculation of quantity or degree or worth | - |
| imposition | 14 | the act of imposing something (as a tax or an embargo) | - |
| aspiration | 12 | the act of inhaling; the drawing in of air (or other gases) as in breathing | - |
| injunction | 19 | (law) a judicial remedy issued in order to prohibit a party from doing or continuing to do a certain activity | injunction were formerly obtained by writ but now by a judicial order |
| emigration | 13 | migration from a place (especially migration from your native country in order to settle in another) | - |
| defamation | 16 | an abusive attack on a person's character or good name | - |
| infraction | 15 | a crime less serious than a felony | - |
| ordination | 11 | the act of ordaining; the act of conferring (or receiving) holy orders | the rabbi's family was present for his ordination |
| escalation | 12 | an increase to counteract a perceived discrepancy | higher wages caused an escalation of prices |
| concoction | 16 | the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components | - |
| saturation | 10 | chromatic purity: freedom from dilution with white and hence vivid in hue | - |
| alteration | 10 | the act of making something different (as e.g. the size of a garment) | - |
| allegation | 11 | statements affirming or denying certain matters of fact that you are prepared to prove | - |
| laceration | 12 | a torn ragged wound | - |
| exposition | 19 | a collection of things (goods or works of art etc.) for public display | - |
| regression | 11 | the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x) | - |
| flirtation | 13 | playful behavior intended to arouse sexual interest | - |
| absorption | 14 | (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid | - |
| validation | 14 | the act of validating; finding or testing the truth of something | - |
| divination | 14 | the art or gift of prophecy (or the pretense of prophecy) by supernatural means | - |
| alienation | 10 | separation resulting from hostility | - |
| inhalation | 13 | the act of inhaling; the drawing in of air (or other gases) as in breathing | - |
| veneration | 13 | religious zeal; the willingness to serve God | - |
| deflection | 16 | the movement of the pointer or pen of a measuring instrument from its zero position | - |
| conduction | 15 | the transmission of heat or electricity or sound | - |
| contrition | 12 | sorrow for sin arising from fear of damnation | - |
| foreperson | 15 | the presiding member of the jury and the one who speaks on their behalf | - |
| defecation | 16 | the elimination of fecal waste through the anus | - |
| subversion | 15 | the act of subverting; as overthrowing or destroying a legally constituted government | - |
| substation | 12 | a subsidiary station where electricity is transformed for distribution by a low-voltage network | - |
| confection | 17 | the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components | - |
| copulation | 14 | sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur | - |
| allocation | 12 | (computer science) the assignment of particular areas of a magnetic disk to particular data or instructions | - |
| levitation | 13 | movement upward in virtue of lightness | - |
| filtration | 13 | the act of changing a fluid by passing it through a filter | - |
| incubation | 14 | sitting on eggs so as to hatch them by the warmth of the body | - |
| vermillion | 15 | of a vivid red to reddish-orange color | - |
| automation | 12 | the act of implementing the control of equipment with advanced technology; usually involving electronic hardware | automation replaces human workers by machines |
| habitation | 15 | the act of dwelling in or living permanently in a place (said of both animals and men) | he studied the creation and inhabitation and demise of the colony |
| indecision | 13 | the trait of irresolution; a lack of firmness of character or purpose | - |
| inhibition | 15 | (psychology) the conscious exclusion of unacceptable thoughts or desires | - |
| intonation | 10 | rise and fall of the voice pitch | - |
| subsection | 14 | a section of a section; a part of a part; i.e., a part of something already divided | - |
| abstention | 12 | the trait of abstaining (especially from alcohol) | - |
| retraction | 12 | a disavowal or taking back of a previous assertion | - |
| reposition | 12 | depositing in a warehouse | they decided to reposition their furniture in a recommended repository in Brooklyn |
| exhumation | 22 | the act of digging something up out of the ground (especially a corpse) where it has been buried | - |
| convulsion | 15 | a sudden uncontrollable attack | convulsions of laughter |
| annexation | 17 | incorporation by joining or uniting | - |
| infarction | 15 | localized necrosis resulting from obstruction of the blood supply | - |
| locomotion | 14 | the power or ability to move | - |
| tablespoon | 14 | as much as a tablespoon will hold | - |
| midsection | 15 | the middle area of the human torso (usually in front) | - |
| nonfiction | 15 | prose writing that is not fictional | - |
| dissension | 11 | disagreement among those expected to cooperate | - |
| pretension | 12 | a false or unsupportable quality | - |
| precession | 14 | the act of preceding in time or order or rank (as in a ceremony) | - |
| reelection | 12 | election again | he did not run for reelection |
| coloration | 12 | the timbre of a musical sound | - |
| intubation | 12 | the insertion of a cannula or tube into a hollow body organ | - |
| dispersion | 13 | the spatial or geographic property of being scattered about over a range, area, or volume | - |
| convection | 17 | (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere | - |
| abdication | 15 | the act of abdicating | - |
| recitation | 12 | a regularly scheduled session as part of a course of study | - |
| stagnation | 11 | inactivity of liquids; being stagnant; standing still; without current or circulation | - |
| depilation | 13 | the act of removing hair (as from an animal skin) | - |
| intimation | 12 | a slight suggestion or vague understanding | - |
| invocation | 15 | a prayer asking God's help as part of a religious service | - |
| jubilation | 19 | the utterance of sounds expressing great joy | - |
| modulation | 13 | a musical passage moving from one key to another | - |
| infliction | 15 | something or someone that causes trouble; a source of unhappiness | he's not a friend, he's an infliction |
| reparation | 12 | something done or paid in expiation of a wrong | - |
| exhalation | 20 | the act of expelling air from the lungs | - |
| derivation | 14 | (historical linguistics) an explanation of the historical origins of a word or phrase | - |
| tabulation | 12 | information set out in tabular form | - |
| excitation | 19 | something that agitates and arouses | - |
| fumigation | 16 | the application of a gas or smoke to something for the purpose of disinfecting it | - |
| inflection | 15 | a manner of speaking in which the loudness or pitch or tone of the voice is modified | - |
| submersion | 14 | the act of wetting something by submerging it | - |
| subduction | 15 | a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate | - |
| maturation | 12 | coming to full development; becoming mature | - |
| exaltation | 17 | the elevation of a person (as to the status of a god) | - |
| fasciation | 15 | - | - |
| immolation | 14 | killing or offering as a sacrifice | - |
| pincushion | 17 | a small stiff cushion into which pins are stuck ready for use | - |
| refraction | 15 | the amount by which a propagating wave is bent | - |
| floatation | 13 | the phenomenon of floating (remaining on the surface of a liquid without sinking) | - |
| interferon | 13 | an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus | - |
| panopticon | 16 | a circular prison with cells distributed around a central surveillance station; proposed by Jeremy Bentham in 1791 | - |
| exultation | 17 | the utterance of sounds expressing great joy | - |
| deputation | 13 | a group of representatives or delegates | - |
| curmudgeon | 16 | a crusty irascible cantankerous old person full of stubborn ideas | - |
| declension | 13 | process of changing to an inferior state | - |
| preemption | 16 | the right to purchase something in advance of others | - |
| resumption | 14 | beginning again | - |
| stonemason | 12 | a craftsman who works with stone or brick | - |
| dispassion | 13 | objectivity and detachment | her manner assumed a dispassion and dryness very unlike her usual tone |
| digression | 12 | a turning aside (of your course or attention or concern) | a digression into irrelevant details |
| decryption | 18 | the activity of making clear or converting from code into plain text | a secret key or password is required for decryption |
| bilocation | 14 | the ability (said of certain Roman Catholic saints) to exist simultaneously in two locations | - |
| annotation | 10 | the act of adding notes | - |
| ambulation | 14 | walking about | the hospital encouraged early ambulation |
| admonition | 13 | a firm rebuke | - |
| inundation | 11 | an overwhelming number or amount | - |
| lamination | 12 | a layered structure | - |
| glaciation | 13 | the condition of being covered with glaciers or masses of ice; the result of glacial action | Agassiz recognized marks of glaciation all over northern Europe |
| refutation | 13 | the speech act of answering an attack on your assertions | his refutation of the charges was short and persuasive |
| pentathlon | 15 | an athletic contest consisting of five different events | - |
| speciation | 14 | the evolution of a biological species | - |
| revocation | 15 | the state of being cancelled or annulled | - |
| devolution | 14 | the delegation of authority (especially from a central to a regional government) | - |
| capitation | 14 | a tax levied on the basis of a fixed amount per person | - |
| abnegation | 13 | renunciation of your own interests in favor of the interests of others | - |
| abreaction | 14 | (psychoanalysis) purging of emotional tensions | - |
| advocation | 16 | - | - |
| ionisation | 10 | the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas | - |
| ionization | 19 | the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas | - |
| usurpation | 12 | entry to another's property without right or permission | - |
| subjection | 21 | the act of conquering | - |
| elongation | 11 | an addition to the length of something | - |
| escutcheon | 17 | a shield; especially one displaying a coat of arms | - |
| champignon | 20 | - | - |
| cogitation | 13 | attentive consideration and meditation | after much cogitation he rejected the offer |
| conflation | 15 | - | - |
| concretion | 14 | a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body | - |
| contortion | 12 | a tortuous and twisted shape or position | the acrobat performed incredible contortions |
| decimation | 15 | destroying or killing a large part of the population (literally every tenth person as chosen by lot) | - |
| herniation | 13 | rupture in smooth muscle tissue through which a bodily structure protrudes | - |
| imputation | 14 | a statement attributing something dishonest (especially a criminal offense) | he denied the imputation |
| ulceration | 12 | a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue | - |
| pteranodon | 13 | - | - |
| protrusion | 12 | something that bulges out or is protuberant or projects from its surroundings | - |
| salivation | 13 | the secretion of saliva | - |
| mitigation | 13 | a partial excuse to mitigate censure; an attempt to represent an offense as less serious than it appears by showing mitigating circumstances | - |
| octahedron | 16 | any polyhedron having eight plane faces | - |
| distension | 11 | the act of expanding by pressure from within | - |
| chuckwagon | 25 | - | - |
| allochthon | 18 | - | - |
| exaptation | 19 | - | - |
| colocation | 14 | - | - |
| reinfusion | 13 | - | - |
| reenvision | 13 | - | - |
| humdurgeon | 17 | - | - |
| enneathlon | 13 | - | - |
| staycation | 15 | - | - |
| canulation | 12 | the insertion of a cannula or tube into a hollow body organ | - |
| butylation | 15 | - | - |
| cacodaemon | 17 | an evil spirit | - |
| cameration | 14 | - | - |
| catenation | 12 | - | - |
| catholicon | 17 | hypothetical remedy for all ills or diseases; once sought by the alchemists | - |
| chamaeleon | 17 | lizard of Africa and Madagascar able to change skin color and having a projectile tongue | - |
| cavitation | 15 | - | - |
| centillion | 12 | - | - |
| cineration | 12 | - | - |
| chronotron | 15 | - | - |
| checklaton | 21 | - | - |
| chirurgeon | 16 | - | - |
| cochampion | 21 | - | - |
| coaptation | 14 | - | - |
| claymation | 17 | - | - |
| commixtion | 23 | - | - |
| cofunction | 17 | - | - |
| cohibition | 17 | - | - |
| conniption | 14 | a display of bad temper | - |
| consension | 12 | - | - |
| compaction | 18 | the act of crushing | - |
| compursion | 16 | - | - |
| cooptation | 14 | - | - |
| corotation | 12 | - | - |
| corelation | 12 | - | - |
| cribration | 14 | - | - |
| correption | 14 | - | - |
| counterion | 12 | - | - |
| cumulation | 14 | a collection of objects laid on top of each other | - |
| cunctation | 14 | the act of procrastinating; putting off or delaying or defering an action to a later time | - |
| crispation | 14 | - | - |
| crustation | 12 | - | - |
| decahedron | 17 | any polyhedron having ten plane faces | - |
| deaeration | 11 | - | - |
| dealbation | 13 | - | - |
| datamation | 13 | - | - |
| denegation | 12 | - | - |
| demicanton | 15 | - | - |
| denotation | 11 | the most direct or specific meaning of a word or expression; the class of objects that an expression refers to | - |
| denisation | 11 | - | - |
| denization | 20 | - | - |
| denudation | 12 | the removal of covering | - |
| defunction | 16 | - | - |
| delibation | 13 | - | - |
| deligation | 12 | - | - |
| deliration | 11 | - | - |
| degression | 12 | - | - |
| bloviation | 15 | - | - |
| autochthon | 18 | the earliest known inhabitants of a region | - |
| balneation | 12 | - | - |
| apocryphon | 22 | - | - |
| apposition | 14 | the act of positioning close together (or side by side) | - |
| aprication | 14 | - | - |
| appetition | 14 | - | - |
| antibaryon | 15 | the antiparticle of a baryon; a hadron with a baryon number of -1 | - |
| antiproton | 12 | an unstable negatively charged proton; the antiparticle of a proton | - |
| antilepton | 12 | the antiparticle of a lepton | - |
| ascription | 14 | assigning to a cause or source | - |
| astriction | 12 | - | - |
| archdeacon | 18 | (Anglican Church) an ecclesiastical dignitary usually ranking just below a bishop | - |
| arrogation | 11 | seizure by the government | - |
| arefaction | 15 | - | - |
| areolation | 10 | - | - |
| alligation | 11 | - | - |
| allocution | 12 | (rhetoric) a formal or authoritative address that advises or exhorts | - |
| alineation | 10 | - | - |
| alkylation | 17 | - | - |
| agregation | 12 | - | - |
| annulation | 10 | - | - |
| angulation | 11 | the act of making angulate (having corners) | - |
| anhelation | 13 | - | - |
| amphictyon | 22 | - | - |
| ampliation | 14 | - | - |
| abstersion | 12 | - | - |
| accubation | 16 | - | - |
| abjunction | 21 | - | - |
| abjuration | 19 | a disavowal or taking back of a previous assertion | - |
| abscission | 14 | the act of cutting something off | - |
| abrogation | 13 | the act of abrogating; an official or legal cancellation | - |
| adsorption | 13 | the accumulation of molecules of a gas to form a thin film on the surface of a solid | - |
| affixation | 23 | the act of attaching or affixing something | - |
| acotyledon | 16 | - | - |
| acroterion | 12 | - | - |
| acervation | 15 | - | - |
| acieration | 12 | - | - |
| adjunction | 20 | an act of joining or adjoining things | - |
| adjuration | 18 | a solemn and earnest appeal to someone to do something | - |
| adhibition | 16 | - | - |
| adiaphoron | 16 | - | - |
| halocarbon | 17 | one of various compounds of carbon and any of the halogens | - |
| hebetation | 15 | - | - |
| hemipteron | 17 | insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis | - |
| hendecagon | 17 | - | - |
| hemelytron | 18 | - | - |
| hematozoon | 24 | - | - |
| hemihedron | 19 | - | - |
| harmonicon | 17 | - | - |
| haubergeon | 16 | - | - |
| holohedron | 17 | - | - |
| heptathlon | 18 | - | - |
| hexaemeron | 22 | - | - |
| hexahedron | 24 | any polyhedron having six plane faces | - |
| humdudgeon | 18 | - | - |
| horologion | 14 | - | - |
| ignoration | 11 | - | - |
| illocution | 12 | - | - |
| immanation | 14 | - | - |
| imminution | 14 | - | - |
| imbibition | 16 | the act of consuming liquids | - |
| hyperbaton | 20 | reversal of normal word order (as in `cheese I love') | - |
| hypaethron | 21 | - | - |
| incitation | 12 | an act of urging on or spurring on or rousing to action or instigating | - |
| inchoation | 15 | - | - |
| indexation | 18 | a system of economic regulation: wages and interest are tied to the cost-of-living index in order to reduce the effects of inflation | - |
| indagation | 12 | - | - |
| impanation | 14 | - | - |
| inhumation | 15 | the ritual placing of a corpse in a grave | - |
| insolation | 10 | therapeutic exposure to sunlight | - |
| induration | 11 | any pathological hardening or thickening of tissue | - |
| inequation | 19 | - | - |
| ingression | 11 | - | - |
| infixation | 20 | - | - |
| intinction | 12 | - | - |
| interunion | 10 | - | - |
| jaculation | 19 | - | - |
| irrelation | 10 | - | - |
| irreligion | 11 | the quality of not being devout | - |
| iodisation | 11 | - | - |
| iodization | 20 | - | - |
| iodination | 11 | the substitution or addition of iodine atoms in organic compounds | - |
| involution | 13 | marked by elaborately complex detail | - |
| judication | 20 | - | - |
| jugulation | 18 | - | - |
| latitation | 10 | - | - |
| laureation | 10 | - | - |
| lapidation | 13 | the act of pelting with stones; punishment inflicted by throwing stones at the victim (even unto death) | - |
| literation | 10 | - | - |
| lobulation | 12 | - | - |
| loculation | 12 | - | - |
| levigation | 14 | - | - |
| leviration | 13 | - | - |
| gleisation | 11 | - | - |
| gleization | 20 | - | - |
| gemination | 13 | the act of copying or making a duplicate (or duplicates) of something | - |
| gorgoneion | 12 | - | - |
| tourbillon | 12 | - | - |
| trabeation | 12 | - | - |
| toxication | 19 | - | - |
| trajection | 19 | - | - |
| traduction | 13 | - | - |
| titubation | 12 | - | - |
| titivation | 13 | sprucing up; making decorative additions to | - |
| toleration | 10 | a disposition to tolerate or accept people or situations | all people should practice toleration and live together in peace |
| tritiation | 10 | - | - |
| trochotron | 15 | - | - |
| trisection | 12 | - | - |
| triskelion | 14 | a figure consisting of three stylized human arms or legs (or three bent lines) radiating from a center | - |
| transposon | 12 | a segment of DNA that can become integrated at many different sites along a chromosome (especially a segment of bacterial DNA that can be translocated as a whole) | - |
| tidivation | 14 | - | - |
| tetrathlon | 13 | - | - |
| undulation | 11 | (physics) a movement up and down or back and forth | - |
| urtication | 12 | an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs | - |
| ustulation | 10 | - | - |
| usucaption | 14 | - | - |
| vesication | 15 | the formation of vesicles in or beneath the skin | - |
| vapulation | 15 | - | - |
| velitation | 13 | - | - |
| waitperson | 15 | - | - |
| volitation | 13 | - | - |
| volutation | 13 | - | - |
| umbonation | 14 | - | - |
| truncation | 12 | the property of being truncated or short | - |
| tubulation | 12 | - | - |
| woodpigeon | 17 | - | - |
| xanthation | 20 | - | - |
| zwitterion | 22 | - | - |
| phlogiston | 16 | a hypothetical substance once believed to be present in all combustible materials and to be released during burning | - |
| permeation | 14 | the process of permeating or infusing something with a substance | - |
| peroration | 12 | a flowery and highly rhetorical oration | - |
| phaelonion | 15 | - | - |
| pixelation | 19 | - | - |
| pixilation | 19 | - | - |
| polycotton | 17 | - | - |
| polyhedron | 19 | a solid figure bounded by plane polygons or faces | - |
| postseason | 12 | - | - |
| porrection | 14 | - | - |
| postperson | 14 | - | - |
| postprison | 14 | - | - |
| postillion | 12 | someone who rides the near horse of a pair in order to guide the horses pulling a carriage (especially a carriage without a coachman) | - |
| preportion | 14 | - | - |
| prelection | 14 | - | - |
| prestation | 12 | - | - |
| presension | 12 | - | - |
| preclusion | 14 | the act of preventing something by anticipating and disposing of it effectively | - |
| prehension | 15 | the act of gripping something firmly with the hands (or the tentacles) | - |
| propension | 14 | - | - |
| pultrusion | 12 | - | - |
| punctation | 14 | - | - |
| pundigrion | 14 | - | - |
| protension | 12 | - | - |
| provection | 17 | - | - |
| racemation | 14 | - | - |
| radication | 13 | - | - |
| quercitron | 21 | medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped | - |
| pyramidion | 18 | - | - |
| quaternion | 19 | the cardinal number that is the sum of three and one | - |
| quarteroon | 19 | - | - |
| quartation | 19 | - | - |
| rascallion | 12 | - | - |
| readoption | 13 | - | - |
| reemission | 12 | - | - |
| regelation | 11 | - | - |
| recusation | 12 | (law) the disqualification of a judge or jury by reason of prejudice or conflict of interest; a judge can be recused by objections of either party or judges can disqualify themselves | - |
