9-letter words ending with ION
Dive into the specific realm of 9-letter words that conclude with the letter ION. This focused section reveals the fascinating ways in which words of this particular length, ending with ION, 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 |
|---|---|---|---|
| situation | 9 | a condition or position in which you find yourself | the unpleasant situation (or position) of having to choose between two evils |
| attention | 9 | the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others | - |
| operation | 11 | activity by a military or naval force (as a maneuver or campaign) | it was a joint operation of the navy and air force |
| condition | 12 | the procedure that is varied in order to estimate a variable's effect by comparison with a control condition | - |
| direction | 12 | the act of setting and holding a course | a new council was installed under the direction of the king |
| education | 12 | the United States federal department that administers all federal programs dealing with education (including federal aid to educational institutions and students); created 1979 | - |
| explosion | 18 | a violent release of energy caused by a chemical or nuclear reaction | - |
| tradition | 10 | a specific practice of long standing | - |
| reception | 13 | the act of receiving | - |
| affection | 17 | a positive feeling of liking | he had trouble expressing the affection he felt |
| promotion | 13 | a message issued in behalf of some product or cause or idea or person or institution | - |
| intention | 9 | an anticipated outcome that is intended or that guides your planned actions | good intentions are not enough |
| objection | 20 | the act of expressing earnest opposition or protest | - |
| confusion | 14 | a feeling of embarrassment that leaves you confused | - |
| evolution | 12 | (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms | - |
| infection | 14 | an incident in which an infectious disease is transmitted | - |
| radiation | 10 | the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay | - |
| exception | 20 | a deliberate act of omission | with the exception of the children, everyone was told the news |
| salvation | 12 | (theology) the act of delivering from sin or saving from evil | - |
| companion | 15 | a traveler who accompanies you | - |
| execution | 18 | putting a condemned person to death | - |
| detention | 10 | a state of being confined (usually for a short time) | his detention was politically motivated |
| obsession | 11 | an irrational motive for performing trivial or repetitive actions, even against your will | - |
| invention | 12 | a creation (a new device or process) resulting from study and experimentation | - |
| sensation | 9 | someone who is dazzlingly skilled in any field | - |
| selection | 11 | the person or thing chosen or selected | - |
| suspicion | 13 | an impression that something might be the case | - |
| dimension | 12 | a construct whereby objects or individuals can be distinguished | - |
| injection | 18 | any solution that is injected (as into the skin) | - |
| probation | 13 | a trial period during which an offender has time to redeem himself or herself | - |
| violation | 12 | the crime of forcing a person to submit to sexual intercourse against his or her will | - |
| intuition | 9 | an impression that something might be the case | he had an intuition that something had gone wrong |
| battalion | 11 | a large indefinite number | a battalion of ants |
| extension | 16 | the most direct or specific meaning of a word or expression; the class of objects that an expression refers to | the extension of `satellite of Mars' is the set containing only Demos and Phobos |
| formation | 14 | (geology) the geological features of the earth | - |
| rebellion | 11 | organized opposition to authority; a conflict in which one faction tries to wrest control from another | - |
| communion | 15 | sharing thoughts and feelings | - |
| animation | 11 | the condition of living or the state of being alive | - |
| addiction | 13 | being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs) | - |
| isolation | 9 | the act of isolating something; setting something apart from others | - |
| pollution | 11 | the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors | - |
| admission | 12 | the fee charged for admission | - |
| commotion | 15 | the act of making a noisy disturbance | - |
| rejection | 18 | (medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign | rejection of the transplanted liver |
| deception | 14 | a misleading falsehood | - |
| precision | 13 | the quality of being reproducible in amount or performance | note the meticulous precision of his measurements |
| accordion | 14 | a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player | - |
| collision | 11 | (physics) a brief event in which two or more bodies come together | the collision of the particles resulted in an exchange of energy and a change of direction |
| inflation | 12 | a general and progressive increase in prices | in inflation everything gets more valuable except money |
| coalition | 11 | the state of being combined into one body | - |
| diversion | 13 | an attack calculated to draw enemy defense away from the point of the principal attack | - |
| expansion | 18 | adding information or detail | - |
| extortion | 16 | an exorbitant charge | - |
| reduction | 12 | the act of decreasing or reducing something | - |
| abduction | 14 | (physiology) moving of a body part away from the central axis of the body | - |
| intrusion | 9 | any entry into an area not previously occupied | - |
| nutrition | 9 | a source of materials to nourish the body | - |
| imitation | 11 | a representation of a person that is exaggerated for comic effect | - |
| cremation | 13 | the incineration of a dead body | - |
| seduction | 12 | an act of winning the love or sexual favor of someone | - |
| damnation | 12 | the state of being condemned to eternal punishment in Hell | - |
| migration | 12 | a group of people migrating together (especially in some given time period) | - |
| vibration | 14 | a shaky motion | - |
| variation | 12 | an activity that varies from a norm or standard | any variation in his routine was immediately reported |
| medallion | 12 | an award for winning a championship or commemorating some other event | - |
| detection | 12 | the act of detecting something; catching sight of something | - |
| digestion | 11 | learning and coming to understand ideas and information | his appetite for facts was better than his digestion |
| recession | 11 | the withdrawal of the clergy and choir from the chancel to the vestry at the end of a church service | - |
| excursion | 18 | a journey taken for pleasure | many summer excursions to the shore |
| provision | 14 | supply with provisions | - |
| quotation | 18 | a short note recognizing a source of information or of a quoted passage | - |
| deduction | 13 | an amount or percentage deducted | - |
| expulsion | 18 | the act of forcing out someone or something | the child's expulsion from school |
| partition | 11 | divide into parts, pieces, or sections | The Arab peninsula was partitioned by the British |
| elevation | 12 | angular distance above the horizon (especially of a celestial object) | - |
| remission | 11 | a payment of money sent to a person in another place | - |
| adoration | 10 | the act of admiring strongly | - |
| dictation | 12 | an authoritative direction or instruction to do something | - |
| narration | 9 | the act of giving an account describing incidents or a course of events | his narration was hesitant |
| exemption | 20 | immunity from an obligation or duty | - |
| induction | 12 | stimulation that calls up (draws forth) a particular class of behaviors | - |
| centurion | 11 | (ancient Rome) the leader of 100 soldiers | - |
| ascension | 11 | a movement upward | - |
| dandelion | 11 | any of several herbs of the genus Taraxacum having long tap roots and deeply notched leaves and bright yellow flowers followed by fluffy seed balls | - |
| vermilion | 14 | of a vivid red to reddish-orange color | - |
| insertion | 9 | the act of putting one thing into another | - |
| agitation | 10 | a state of agitation or turbulent change or development | - |
| seclusion | 11 | the quality of being secluded from the presence or view of others | - |
| exclusion | 18 | the act of forcing out someone or something | - |
| assertion | 9 | a declaration that is made emphatically (as if no supporting evidence were necessary) | - |
| implosion | 13 | a sudden inward collapse | the implosion of a light bulb |
| rendition | 10 | an explanation of something that is not immediately obvious | often imitations are extended to provide a more accurate rendition of the child's intended meaning |
| contagion | 12 | an incident in which an infectious disease is transmitted | - |
| retention | 9 | the power of retaining and recalling past experience | - |
| immersion | 13 | the act of wetting something by submerging it | - |
| deviation | 13 | a variation that deviates from the standard or norm | the deviation from the mean |
| depiction | 14 | representation by drawing or painting etc | - |
| contusion | 11 | an injury that doesn't break the skin but results in some discoloration | - |
| secretion | 11 | the organic process of synthesizing and releasing some substance | - |
| inception | 13 | an event that is a beginning; a first part or stage of subsequent events | - |
| carnation | 11 | Eurasian plant with pink to purple-red spice-scented usually double flowers; widely cultivated in many varieties and many colors | - |
| ovulation | 12 | the expulsion of an ovum from the ovary (usually midway in the menstrual cycle) | - |
| valuation | 12 | an appraisal of the value of something | he set a high valuation on friendship |
| corrosion | 11 | erosion by chemical action | - |
| cotillion | 11 | a lively dance originating in France in the 18th century | - |
| criterion | 11 | a basis for comparison; a reference point against which other things can be evaluated | - |
| abolition | 11 | the act of abolishing a system or practice or institution (especially abolishing slavery) | the abolition of capital punishment |
| summation | 13 | the final aggregate | - |
| desertion | 10 | withdrawing support or help despite allegiance or responsibility | - |
| collusion | 11 | agreement on a secret plot | - |
| flotation | 12 | the phenomenon of floating (remaining on the surface of a liquid without sinking) | - |
| gazillion | 19 | a very large indefinite number (usually hyperbole) | - |
| urination | 9 | the discharge of urine | - |
| repulsion | 11 | intense aversion | - |
| cessation | 11 | a stopping | a cessation of the thunder |
| inclusion | 11 | the relation of comprising something | he admired the inclusion of so many ideas in such a short work |
| inversion | 12 | the act of turning inside out | - |
| incursion | 11 | an attack that penetrates into enemy territory | - |
| tarnation | 9 | - | - |
| depletion | 12 | the act of decreasing something markedly | - |
| elocution | 11 | an expert manner of speaking involving control of voice and gesture | - |
| oxidation | 17 | the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction | - |
| perdition | 12 | (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment | Hurl'd headlong...To bottomless perdition, there to dwell |
| diffusion | 16 | the act of dispersing or diffusing something | the diffusion of knowledge |
| mediation | 12 | the act of intervening for the purpose of bringing about a settlement | - |
| revulsion | 12 | intense aversion | - |
| hydration | 16 | the process of combining with water; usually reversible | - |
| attrition | 9 | erosion by friction | - |
| adulation | 10 | servile flattery; exaggerated and hypocritical praise | - |
| ingestion | 10 | the process of taking food into the body through the mouth (as by eating) | - |
| defection | 15 | withdrawing support or help despite allegiance or responsibility | - |
| expiation | 18 | compensation for a wrong | - |
| accession | 13 | something added to what you already have | the librarian shelved the new accessions |
| secession | 11 | an Austrian school of art and architecture parallel to the French art nouveau in the 1890s | - |
| gestation | 10 | the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus | - |
| causation | 11 | the act of causing something to happen | - |
| profusion | 14 | the property of being extremely abundant | the profusion of detail |
| extrusion | 16 | squeezing out by applying pressure | an unexpected extrusion of toothpaste from the bottom of the tube |
| occlusion | 13 | (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft | - |
| reversion | 12 | returning to a former state | - |
| ruination | 9 | an event that results in destruction | - |
| prevision | 14 | the act of predicting (as by reasoning about the future) | - |
| deflation | 13 | a contraction of economic activity resulting in a decline of prices | - |
| erudition | 10 | profound scholarly knowledge | - |
| dentition | 10 | the kind and number and arrangement of teeth (collectively) in a person or animal | - |
| dejection | 19 | solid excretory product evacuated from the bowels | - |
| excretion | 18 | waste matter (as urine or sweat but especially feces) discharged from the body | - |
| bazillion | 20 | a very large indefinite number (usually hyperbole) | - |
| privation | 14 | a state of extreme poverty | - |
| resection | 11 | surgical removal of part of a structure or organ | - |
| cognition | 12 | the psychological result of perception and learning and reasoning | - |
| evocation | 14 | stimulation that calls up (draws forth) a particular class of behaviors | - |
| palpation | 13 | a method of examination in which the examiner feels the size or shape or firmness or location of something (of body parts when the examiner is a health professional) | - |
| predation | 12 | an act of plundering and pillaging and marauding | - |
| intension | 9 | what you must know in order to determine the reference of an expression | - |
| irruption | 11 | a sudden violent spontaneous occurrence (usually of some undesirable condition) | - |
| nitration | 9 | - | - |
| pulsation | 11 | the rhythmic contraction and expansion of the arteries with each beat of the heart | - |
| impulsion | 13 | the act of applying force suddenly | - |
| lactation | 11 | feeding an infant by giving suck at the breast | - |
| connexion | 18 | the process of bringing ideas or events together in memory or imagination | - |
| emanation | 11 | (theology) the origination of the Holy Spirit at Pentecost | the emanation of the Holy Spirit |
| emulation | 11 | ambition to equal or excel | - |
| striation | 9 | a stripe or stripes of contrasting color | - |
| reflexion | 19 | a likeness in which left and right are reversed | - |
| refection | 14 | a light meal or repast | - |
| repletion | 11 | eating until excessively full | - |
| iteration | 9 | (computer science) a single execution of a set of instructions that are to be repeated | the solution took hundreds of iterations |
| chelation | 14 | (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning | - |
| avocation | 14 | an auxiliary activity | - |
| apportion | 13 | give out as one's portion or share | - |
| actuation | 11 | the act of propelling | - |
| modillion | 12 | (architecture) one of a set of ornamental brackets under a cornice | - |
| multipion | 13 | - | - |
| neuration | 9 | - | - |
| nervation | 12 | - | - |
| nonaction | 11 | - | - |
| nonillion | 9 | - | - |
| nictation | 11 | a reflex that closes and opens the eyes rapidly | - |
| nunnation | 9 | - | - |
| obtrusion | 11 | - | - |
| obtention | 11 | the act of obtaining | - |
| obreption | 13 | - | - |
| octillion | 11 | the number that is represented as a one followed by 27 zeros | - |
| obvention | 14 | - | - |
| obversion | 14 | - | - |
| obviation | 14 | the act of preventing something by anticipating and disposing of it effectively | - |
| olfaction | 14 | the faculty that enables us to distinguish scents | - |
| orpharion | 14 | - | - |
| ozonation | 18 | - | - |
| pandation | 12 | - | - |
| palmation | 13 | - | - |
| parhelion | 14 | a bright spot on the parhelic circle; caused by diffraction by ice crystals | - |
| parathion | 14 | a colorless and odorless toxic oil used as an insecticide | - |
| mentation | 11 | the process of using your mind to consider something carefully | - |
| miniation | 11 | - | - |
| vitiation | 12 | nullification by the destruction of the legal force; rendering null | the vitiation of the contract |
| satiation | 9 | the state of being satisfactorily full and unable to take on more | - |
| scalation | 11 | - | - |
| saltation | 9 | a light, self-propelled movement upwards or forwards | - |
| scutation | 11 | - | - |
| seriation | 9 | - | - |
| septation | 11 | the division or partitioning of a cavity into parts by a septum | - |
| serration | 9 | a row of notches | the pliers had serrations to improve the grip |
| siltation | 9 | - | - |
| sigmation | 12 | - | - |
| sinuation | 9 | - | - |
| solvation | 12 | a chemical process in which solvent molecules and molecules or ions of the solute combine to form a compound | - |
| sortition | 9 | making a chance decision by using lots (straws or pebbles etc.) that are thrown or drawn | - |
| sortation | 9 | - | - |
| sociation | 11 | - | - |
| spiration | 11 | - | - |
| squillion | 18 | - | - |
| stanchion | 14 | any vertical post or rod used as a support | - |
| stasidion | 10 | - | - |
| subaction | 13 | - | - |
| striction | 11 | - | - |
| rhipidion | 15 | - | - |
| ructation | 11 | - | - |
| tabellion | 11 | - | - |
| synedrion | 13 | - | - |
| tellurion | 9 | - | - |
| tentation | 9 | - | - |
| testation | 9 | - | - |
| titration | 9 | a measured amount of a solution of unknown concentration is added to a known volume of a second solution until the reaction between them is just complete; the concentration of the unknown solution (the titer) can then be calculated | - |
| troparion | 11 | - | - |
| tricerion | 11 | - | - |
| trisagion | 10 | - | - |
| ululation | 9 | a long loud emotional utterance | - |
| usucapion | 13 | - | - |
| vallation | 12 | - | - |
| vacuation | 14 | - | - |
| vernation | 12 | (botany) the arrangement of young leaves in a leaf bud before it opens | - |
| vendition | 13 | the act of selling goods for a living | - |
| suffusion | 15 | the process of permeating or infusing something with a substance | - |
| sulcation | 11 | - | - |
| sulfation | 12 | - | - |
| suffixion | 22 | - | - |
| subregion | 12 | - | - |
| sublation | 11 | - | - |
| placation | 13 | the act of placating and overcoming distrust and animosity | - |
| planation | 11 | the process of erosion whereby a level surface is produced | - |
| pinnation | 11 | - | - |
| pollusion | 11 | - | - |
| plication | 13 | an angular or rounded shape made by folding | a plication on her blouse |
| postilion | 11 | someone who rides the near horse of a pair in order to guide the horses pulling a carriage (especially a carriage without a coachman) | - |
| preoption | 13 | - | - |
| prenotion | 11 | - | - |
| premotion | 13 | - | - |
| prelation | 11 | - | - |
| prelusion | 11 | - | - |
| prefixion | 21 | - | - |
| prolation | 11 | - | - |
| prolusion | 11 | a short introductory essay preceding the text of a book | - |
| proration | 11 | the proportional limitation of production or distribution of something (e.g. crude oil or natural gas) to some fractional part of the total capacity of each producer | - |
| pronation | 11 | rotation of the hands and forearms so that the palms face downward | - |
| prooemion | 13 | - | - |
| proaction | 13 | - | - |
| purgation | 12 | purging the body by the use of a cathartic to stimulate evacuation of the bowels | - |
| quotition | 18 | - | - |
| raciation | 11 | - | - |
| redaction | 12 | putting something (as a literary work or a legislative bill) into acceptable form | - |
| recursion | 11 | (mathematics) an expression such that each term is generated by repeating a particular mathematical operation | - |
| reedition | 10 | - | - |
| recaution | 11 | - | - |
| recaption | 13 | - | - |
| recension | 11 | - | - |
| reboation | 11 | - | - |
| reclusion | 11 | - | - |
| reliction | 11 | - | - |
| reflation | 12 | inflation of currency after a period of deflation; restore the system to a previous state | - |
| refashion | 15 | make new | - |
| reptation | 11 | - | - |
| retorsion | 9 | - | - |
| retortion | 9 | - | - |
| restation | 9 | - | - |
| perfusion | 14 | pumping a liquid into an organ or tissue (especially by way of blood vessels) | - |
| peltation | 11 | - | - |
| penillion | 11 | - | - |
| phonation | 14 | the sound made by the vibration of vocal folds modified by the resonance of the vocal tract | - |
| pertusion | 11 | - | - |
| pervasion | 14 | the process of permeating or infusing something with a substance | - |
| phelonion | 14 | - | - |
| hortation | 12 | - | - |
| impaction | 15 | a disorder in which a tooth is so crowded in its socket that it cannot erupt normally | - |
| impassion | 13 | - | - |
| immission | 13 | - | - |
| indiction | 12 | a 15-year cycle used as a chronological unit in ancient Rome and adopted in some medieval kingdoms | - |
| indention | 10 | the space left between the margin and the start of an indented line | - |
| incretion | 11 | - | - |
| implexion | 20 | - | - |
| impletion | 13 | - | - |
| inanition | 9 | weakness characterized by a lack of vitality or energy | - |
| incaution | 11 | the trait of forgetting or ignoring possible danger | - |
| influxion | 19 | - | - |
| inflexion | 19 | a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function | - |
| insection | 11 | - | - |
| irisation | 9 | - | - |
| intorsion | 9 | - | - |
| intortion | 9 | - | - |
| inunction | 11 | anointing as part of a religious ceremony or healing ritual | - |
| jactation | 18 | (pathology) extremely restless tossing and twitching usually by a person with a severe illness | - |
| jawbation | 21 | - | - |
| kazillion | 22 | - | - |
| largition | 10 | - | - |
| laudation | 10 | - | - |
| latration | 9 | - | - |
| lallation | 9 | gibberish resembling the sounds of a baby | - |
| libration | 11 | (astronomy) a real or apparent slow oscillation of a moon or satellite | the libration of the moon |
| lineation | 9 | the line that appears to bound an object | - |
| liquation | 18 | - | - |
| mactation | 13 | - | - |
| malathion | 14 | a yellow insecticide used as a dust or spray to control garden pests and house flies and mites | - |
| luctation | 11 | - | - |
| mandilion | 12 | - | - |
| mandylion | 15 | - | - |
| connation | 11 | - | - |
| corrasion | 11 | erosion by friction | - |
| crenation | 11 | one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.) | - |
| curtation | 11 | - | - |
| curvation | 14 | - | - |
| decillion | 12 | - | - |
| decoction | 14 | (pharmacology) the extraction of water-soluble drug substances by boiling | - |
| decession | 12 | - | - |
| decursion | 12 | - | - |
| darnation | 10 | - | - |
| dealation | 10 | - | - |
| dentation | 10 | - | - |
| demission | 12 | - | - |
| demersion | 12 | - | - |
| defluxion | 20 | - | - |
| deflexion | 20 | the movement of the pointer or pen of a measuring instrument from its zero position | - |
| delapsion | 12 | - | - |
| diacodion | 13 | - | - |
| detorsion | 10 | - | - |
| detersion | 10 | - | - |
| detortion | 10 | - | - |
| detrusion | 10 | - | - |
| detrition | 10 | effort expended in moving one object over another with pressure | - |
| divulsion | 13 | - | - |
| dormition | 12 | celebration in the Eastern Orthodox Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Assumption in the Roman Catholic Church and is also celebrated on August 15th | - |
| emication | 13 | - | - |
| effluxion | 22 | - | - |
| ecoregion | 12 | - | - |
| ectropion | 13 | - | - |
| egression | 10 | the act of coming (or going) out; becoming apparent | - |
| cognation | 12 | (anthropology) related by blood | - |
| coemption | 15 | - | - |
| collation | 11 | a light informal meal | - |
| concision | 13 | terseness and economy in writing and speaking achieved by expressing a great deal in just a few words | - |
| collodion | 12 | a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films | - |
| exoration | 16 | - | - |
| exsection | 18 | - | - |
| exsertion | 16 | - | - |
| evitation | 12 | - | - |
| exaration | 16 | - | - |
| excambion | 22 | - | - |
| evanition | 12 | - | - |
| evagation | 13 | - | - |
| faulchion | 17 | - | - |
| exudation | 17 | a substance that oozes out from plant pores | - |
| falcation | 14 | - | - |
| filiation | 12 | inherited properties shared with others of your bloodline | - |
| fellation | 12 | oral stimulation of the penis | - |
| foetation | 12 | - | - |
| foliation | 12 | (architecture) leaf-like architectural ornament | - |
| furcation | 14 | the place where something divides into branches | - |
| gammadion | 15 | - | - |
| gammation | 14 | - | - |
| gemmation | 14 | asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual | - |
| gradation | 11 | relative position in a graded series | subtle gradations in color |
| guttation | 10 | - | - |
| gustation | 10 | the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth | - |
| grivation | 13 | - | - |
| emunction | 13 | - | - |
| encolpion | 13 | - | - |
| epilation | 11 | the act of removing hair (as from an animal skin) | - |
| epinikion | 15 | - | - |
| epinicion | 13 | - | - |
| epulation | 11 | - | - |
| epuration | 11 | - | - |
| entropion | 11 | - | - |
| balection | 13 | - | - |
| bandonion | 12 | - | - |
| bijection | 20 | - | - |
| bilection | 13 | - | - |
| bioregion | 12 | - | - |
| bisection | 13 | dividing into two equal parts | - |
| bolection | 13 | - | - |
| carbanion | 13 | - | - |
| cassation | 11 | - | - |
| caudation | 12 | - | - |
| caseation | 11 | - | - |
| chalazion | 23 | a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked | - |
| clavation | 14 | - | - |
| ciliation | 11 | - | - |
| attuition | 9 | - | - |
| aspersion | 11 | the act of sprinkling water in baptism (rare) | - |
| antiunion | 9 | - | - |
| anthelion | 12 | - | - |
| anthemion | 14 | - | - |
| arenation | 9 | - | - |
| arcuation | 11 | - | - |
| accretion | 13 | an increase by natural growth or addition | - |
| accension | 13 | - | - |
| abjection | 20 | a low or downcast state | - |
| abruption | 13 | an instance of sudden interruption | - |
| affluxion | 22 | - | - |
| afflation | 15 | - | - |
| adduction | 13 | (physiology) moving of a body part toward the central axis of the body | - |
| ademption | 14 | - | - |
| acylation | 14 | the process of introducing an acyl group into a compound | - |
| advection | 15 | (meteorology) the horizontal transfer of heat or other atmospheric properties | - |
| stacation | 11 | - | - |
| daycation | 15 | - | - |
| bupropion | 15 | - | - |
| gaycation | 15 | - | - |
| glycation | 15 | - | - |
| haycation | 17 | - | - |
| agflation | 13 | - | - |
| bajillion | 18 | - | - |
