13-letter words ending with N
Dive into the specific realm of 13-letter words that conclude with the letter N. This focused section reveals the fascinating ways in which words of this particular length, ending with N, 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 |
|---|---|---|---|
| investigation | 17 | the work of inquiring into something thoroughly and systematically | - |
| communication | 21 | the activity of communicating; the activity of conveying information | they could not act without official communication from Moscow |
| demonstration | 16 | proof by a process of argument or a series of proposition proving an asserted conclusion | - |
| concentration | 17 | the spatial property of being crowded together | - |
| interrogation | 14 | a sentence of inquiry that asks for a reply | he had trouble phrasing his interrogations |
| grandchildren | 21 | - | - |
| assassination | 13 | an attack intended to ruin someone's reputation | - |
| consideration | 16 | kind and considerate regard for others | he showed no consideration for her feelings |
| determination | 16 | the act of making up your mind about something | - |
| authorization | 25 | official permission or approval | - |
| reincarnation | 15 | a second or new birth | - |
| mediterranean | 16 | the largest inland sea; between Europe and Africa and Asia | - |
| confrontation | 18 | the act of hostile groups opposing each other | the government was not ready for a confrontation with the unions |
| collaboration | 17 | act of cooperating traitorously with an enemy that is occupying your country | - |
| participation | 19 | the act of sharing in the activities of a group | - |
| contradiction | 18 | (logic) a statement that is necessarily false | the statement `he is brave and he is not brave' is a contradiction |
| constellation | 15 | an arrangement of parts or elements | - |
| globalization | 25 | growth to a global or worldwide scale | the globalization of the communication industry |
| hallucination | 18 | a mistaken or unfounded opinion or idea | his dreams of vast wealth are a hallucination |
| documentation | 18 | confirmation that some fact or statement is true through the use of documentary evidence | - |
| accommodation | 22 | making or becoming suitable; adjusting to circumstances | - |
| mathematician | 22 | a person skilled in mathematics | - |
| manifestation | 18 | an appearance in bodily form (as of a disembodied spirit) | - |
| contamination | 17 | the state of being contaminated | - |
| extermination | 22 | the act of exterminating | - |
| comprehension | 22 | the relation of comprising something | - |
| pronunciation | 17 | the way a word or a language is customarily spoken | the pronunciation of Chinese is difficult for foreigners |
| justification | 25 | a statement in explanation of some action or belief | - |
| qualification | 27 | a statement that limits or restricts some claim | - |
| improvisation | 20 | an unplanned expedient | - |
| valedictorian | 19 | the student with the best grades who usually delivers the valedictory address at commencement | - |
| configuration | 19 | an arrangement of parts or elements | the outcome depends on the configuration of influences at the time |
| reunification | 18 | the act of coming together again | monetary unification precipitated the reunification of the German state in October 1990 |
| clarification | 20 | the act of removing solid particles from a liquid | - |
| misconception | 21 | an incorrect conception | - |
| electrocution | 17 | execution by electricity | - |
| gratification | 19 | state of being gratified or satisfied | dull repetitious work gives no gratification |
| strangulation | 14 | the act of suffocating (someone) by constricting the windpipe | - |
| contraception | 19 | birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery | - |
| deterioration | 14 | process of changing to an inferior state | - |
| incarceration | 17 | the state of being imprisoned | his ignominious incarceration in the local jail |
| decomposition | 20 | in a decomposed state | - |
| businesswoman | 20 | a female businessperson | - |
| contemplation | 19 | a calm, lengthy, intent consideration | - |
| certification | 20 | confirmation that some fact or statement is true through the use of documentary evidence | - |
| authorisation | 16 | official permission or approval | - |
| commemoration | 21 | a ceremony to honor the memory of someone or something | - |
| privatization | 27 | changing something from state to private ownership or control | - |
| transcription | 17 | the act of arranging and adapting a piece of music | - |
| resuscitation | 15 | the act of reviving a person and returning them to consciousness | although he was apparently drowned, resuscitation was accomplished by artificial respiration |
| congresswoman | 21 | a member of the United States House of Representatives | - |
| refrigeration | 17 | the process of cooling or freezing (e.g., food) for preservative purposes | - |
| authoritarian | 16 | characteristic of an absolute ruler or absolute rule; having absolute sovereignty | an authoritarian regime |
| proliferation | 18 | a rapid increase in number (especially a rapid increase in the number of deadly weapons) | the proliferation of nuclear weapons |
| sterilization | 22 | the act of making an organism barren or infertile (unable to reproduce) | - |
| precipitation | 19 | overly eager speed (and possible carelessness) | - |
| teleportation | 15 | a hypothetical mode of instantaneous transportation; matter is dematerialized at one place and recreated at another | - |
| transgression | 14 | the act of transgressing; the violation of a law or a duty or moral principle | the boy was punished for the transgressions of his father |
| impersonation | 17 | a representation of a person that is exaggerated for comic effect | - |
| confederation | 19 | the state of being allied or confederated | - |
| visualization | 25 | a mental image that is similar to a visual perception | - |
| fertilization | 25 | making fertile as by applying fertilizer or manure | - |
| globalisation | 16 | growth to a global or worldwide scale | - |
| discoloration | 16 | a soiled or discolored appearance | - |
| premeditation | 18 | planning or plotting in advance of acting | - |
| expropriation | 24 | taking out of an owner's hands (especially taking property by public authority) | - |
| nitroglycerin | 19 | a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat) | - |
| magnification | 21 | a photographic print that has been enlarged | - |
| corroboration | 17 | confirmation that some fact or statement is true through the use of documentary evidence | - |
| transmutation | 15 | an act that changes the form or character or substance of something | - |
| stabilization | 24 | the act of making something (as a vessel or aircraft) less likely to overturn | - |
| introspection | 17 | the contemplation of your own thoughts and desires and conduct | - |
| decompression | 20 | relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure) | - |
| preoccupation | 21 | the act of taking occupancy before someone else does | - |
| fragmentation | 19 | separating something into fine particles | - |
| reintegration | 14 | - | - |
| socialization | 24 | the action of establishing on a socialist basis | the socialization of medical services |
| modernization | 25 | making modern in appearance or behavior | the modernization of Nigeria will be a long process |
| approximation | 26 | an approximate calculation of quantity or degree or worth | - |
| mummification | 24 | (pathology) gangrene that develops in the presence of arterial obstruction and is characterized by dryness of the dead tissue and a dark brown color | - |
| deforestation | 17 | the removal of trees | - |
| subordination | 16 | the semantic relation of being subordinate or belonging to a lower rank or class | - |
| triangulation | 14 | a method of surveying; the area is divided into triangles and the length of one side and its angles with the other two are measured, then the lengths of the other sides can be calculated | - |
| juxtaposition | 29 | the act of positioning close together (or side by side) | it is the result of the juxtaposition of contrasting colors |
| amplification | 22 | the amount of increase in signal power or voltage or current expressed as the ratio of output to input | - |
| appropriation | 19 | incorporation by joining or uniting | - |
| consolidation | 16 | the act of combining into an integral whole | a consolidation of two corporations |
| stabilisation | 15 | the act of making something (as a vessel or aircraft) less likely to overturn | - |
| superposition | 17 | (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest | - |
| paediatrician | 18 | a specialist in the care of babies | - |
| matriculation | 17 | admission to a group (especially a college or university) | - |
| diagnostician | 17 | a doctor who specializes in medical diagnosis | - |
| accreditation | 18 | the act of granting credit or recognition (especially with respect to educational institution that maintains suitable standards) | a commission is responsible for the accreditation of medical schools |
| victimization | 29 | an act that exploits or victimizes someone (treats them unfairly) | paying Blacks less and charging them more is a form of victimization |
| hybridization | 31 | (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids | - |
| machiavellian | 23 | a follower of Machiavelli's principles | - |
| mortification | 20 | an instance in which you are caused to lose your prestige or self-respect | - |
| domestication | 18 | the attribute of having been domesticated | - |
| consternation | 15 | fear resulting from the awareness of danger | - |
| visualisation | 16 | a mental image that is similar to a visual perception | - |
| phytoplankton | 27 | photosynthetic or plant constituent of plankton; mainly unicellular algae | - |
| preconception | 21 | an opinion formed beforehand without adequate evidence | he did not even try to confirm his preconceptions |
| falsification | 21 | the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting | - |
| indisposition | 16 | a certain degree of unwillingness | his hesitancy revealed his basic indisposition |
| condescension | 18 | the trait of displaying arrogance by patronizing those considered inferior | - |
| contravention | 18 | coming into conflict with | - |
| upperclassman | 21 | - | - |
| extrapolation | 22 | an inference about the future (or about some hypothetical situation) based on known facts and observations | - |
| fortification | 21 | defensive structure consisting of walls or mounds built around a stronghold to strengthen it | - |
| incorporation | 17 | learning (of values or attitudes etc.) that is incorporated within yourself | - |
| mystification | 23 | confusion resulting from failure to understand | - |
| agglomeration | 17 | a jumbled collection or mass | - |
| conflagration | 19 | a very intense and uncontrolled fire | - |
| disconnection | 18 | state of being disconnected | - |
| rectification | 20 | the act of offering an improvement to replace a mistake; setting right | - |
| recrimination | 17 | mutual accusations | - |
| translocation | 15 | (genetics) an exchange of chromosome parts | translocations can result in serious congenital disorders |
| orchestration | 18 | the act of arranging a piece of music for an orchestra and assigning parts to the different musical instruments | - |
| dramatization | 25 | conversion into dramatic form | the play was a dramatization of a short story |
| argumentation | 16 | a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning | - |
| beatification | 20 | a state of supreme happiness | - |
| underclassman | 18 | an undergraduate who is not yet a senior | - |
| privatisation | 18 | changing something from state to private ownership or control | - |
| renegotiation | 14 | - | - |
| sequestration | 22 | seizing property that belongs to someone else and holding it until profits pay the demand for which it was seized | - |
| specification | 22 | a detailed description of design criteria for a piece of work | - |
| fertilisation | 16 | making fertile as by applying fertilizer or manure | - |
| glorification | 19 | a state of high honor | - |
| incrimination | 17 | an accusation that you are responsible for some lapse or misdeed | his incrimination was based on my testimony |
| dissemination | 16 | the opening of a subject to widespread discussion and debate | - |
| businesswomen | 20 | - | - |
| regurgitation | 15 | the reflex act of ejecting the contents of the stomach through the mouth | - |
| ornamentation | 15 | something used to beautify | - |
| misperception | 21 | - | - |
| normalization | 24 | the imposition of standards or regulations | - |
| recombination | 19 | (genetics) a combining of genes or characters different from what they were in the parents | - |
| reciprocation | 19 | mutual interaction; the activity of reciprocating or exchanging (especially information) | - |
| reaffirmation | 21 | renewed affirmation | - |
| scarification | 20 | - | - |
| sterilisation | 13 | the act of making an organism barren or infertile (unable to reproduce) | - |
| transposition | 15 | any abnormal position of the organs of the body | - |
| mitochondrion | 21 | an organelle containing enzymes responsible for producing energy | - |
| nullification | 18 | the act of nullifying; making null and void; counteracting or overriding the effect or force of something | - |
| disproportion | 18 | lack of proportion; imbalance among the parts of something | - |
| dispossession | 16 | freeing from evil spirits | - |
| actualization | 24 | making real or giving the appearance of reality | - |
| concatenation | 17 | a series of things depending on each other as if linked together | a complicated concatenation of circumstances |
| desegregation | 16 | the action of incorporating a racial or religious group into a community | - |
| calcification | 22 | an inflexible and unchanging state | the calcification of negotiations |
| acetaminophen | 22 | an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets) | - |
| pulverization | 27 | annihilation by pulverizing something | - |
| reforestation | 16 | the restoration (replanting) of a forest that had been reduced by fire or cutting | - |
| regimentation | 16 | the imposition of order or discipline | - |
| recalculation | 17 | the act of calculating again (usually to eliminate errors or to include additional data) | recalculation yielded a much larger value |
| reverberation | 18 | the repetition of a sound resulting from reflection of the sound waves | - |
| factorization | 27 | (mathematics) the resolution of an expression into factors such that when multiplied together they give the original expression | - |
| interpolation | 15 | the action of interjecting or interposing an action or remark that interrupts | - |
| acidification | 21 | the process of becoming acid or being converted into an acid | - |
| afforestation | 19 | the conversion of bare or cultivated land into forest (originally for the purpose of hunting) | - |
| cauterisation | 15 | the act of coagulating blood and destroying tissue with a hot iron or caustic agent or by freezing | - |
| macromutation | 19 | - | - |
| massification | 20 | - | - |
| interoception | 17 | sensitivity to stimuli originating inside of the body | - |
| haemodilution | 19 | - | - |
| oppigneration | 18 | - | - |
| nightwatchman | 27 | - | - |
| nightwatchmen | 27 | - | - |
| noncompletion | 19 | - | - |
| antioestrogen | 14 | - | - |
| deduplication | 19 | - | - |
| desulfuration | 17 | - | - |
| sulfurization | 25 | - | - |
| underreaction | 16 | - | - |
| putrification | 20 | - | - |
| reinstitution | 13 | - | - |
| pornification | 20 | - | - |
| shrinkflation | 23 | - | - |
| counterbidden | 19 | - | - |
| demethylation | 22 | - | - |
| antiradiation | 14 | - | - |
| annuitisation | 13 | - | - |
| annuitization | 22 | - | - |
| anonymisation | 18 | - | - |
| anonymization | 27 | - | - |
| cardioversion | 19 | - | - |
| tetradrachmon | 21 | - | - |
| recultivation | 18 | - | - |
| reexploration | 22 | - | - |
| reoxygenation | 24 | - | - |
| pararescuemen | 19 | - | - |
| weaponization | 27 | - | - |
| pararescueman | 19 | - | - |
| multilocation | 17 | - | - |
| outdoorswomen | 19 | - | - |
| outdoorswoman | 19 | a woman who spends time outdoors (e.g., hunting and fishing) | - |
| underclassmen | 18 | - | - |
| tropocollagen | 18 | - | - |
| tuberculation | 17 | - | - |
| trilateration | 13 | - | - |
| ultramarathon | 18 | - | - |
| villagisation | 17 | - | - |
| villagization | 26 | - | - |
| versification | 21 | a metrical adaptation of something (e.g., of a prose text) | - |
| vernalisation | 16 | - | - |
| vernalization | 25 | - | - |
| victimisation | 20 | an act that exploits or victimizes someone (treats them unfairly) | - |
| vulgarisation | 17 | the act of making something attractive to the general public | - |
| vulgarization | 26 | the act of making something attractive to the general public | - |
| weatherperson | 21 | - | - |
| vitrification | 21 | a vitrified substance; the glassy result of being vitrified | - |
| volcanisation | 18 | - | - |
| volcanization | 27 | - | - |
| vulcanisation | 18 | process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them | - |
| vulcanization | 27 | process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them | - |
| upperclassmen | 21 | - | - |
| uralitisation | 13 | - | - |
| uralitization | 22 | - | - |
| vacuolisation | 18 | the state of having become filled with vacuoles | - |
| vacuolization | 27 | the state of having become filled with vacuoles | - |
| vermiculation | 20 | the process of wavelike muscle contractions of the alimentary tract that moves food along | - |
| verbigeration | 19 | - | - |
| verbalisation | 18 | the activity of expressing something in words | - |
| verbalization | 27 | the activity of expressing something in words | - |
| verbification | 23 | - | - |
| vandalization | 26 | - | - |
| vandalisation | 17 | - | - |
| variolisation | 16 | - | - |
| vectorisation | 18 | - | - |
| vectorization | 27 | - | - |
| variolization | 25 | the obsolete process of inoculating a susceptible person with material taken from a vesicle of a person who has smallpox | - |
| woodcraftsmen | 24 | - | - |
| xiphiplastron | 27 | - | - |
| zombification | 31 | - | - |
| yuppification | 25 | - | - |
| zincification | 29 | - | - |
| zinkification | 31 | - | - |
| woodcraftsman | 24 | - | - |
| winterization | 25 | - | - |
| winterisation | 16 | - | - |
| phonetisation | 18 | - | - |
| phonetization | 27 | - | - |
| phantasmalian | 20 | - | - |
| photoreaction | 20 | - | - |
| photoemission | 20 | an emission of photoelectrons (especially from a metallic surface) | - |
| photoelectron | 20 | an electron that is emitted from an atom or molecule by an incident photon | - |
| peregrination | 16 | traveling or wandering around | - |
| peptidoglycan | 24 | - | - |
| peptonisation | 17 | - | - |
| peptonization | 26 | - | - |
| perambulation | 19 | a leisurely walk (usually in some public place) | - |
| pedunculation | 18 | - | - |
| peneplanation | 17 | - | - |
| pelletisation | 15 | - | - |
| pelletization | 24 | - | - |
| penicillation | 17 | - | - |
| petrification | 20 | the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape | - |
| phalansterian | 18 | - | - |
| perlustration | 15 | - | - |
| periodisation | 16 | - | - |
| periodization | 25 | - | - |
| perscrutation | 17 | - | - |
| perseveration | 18 | the act of persisting or persevering; continuing or repeating behavior | his perseveration continued to the point where it was no longer appropriate |
| polyhistorian | 21 | - | - |
| pontification | 20 | - | - |
| pollicitation | 17 | - | - |
| polycotyledon | 24 | - | - |
| postlapsarian | 17 | - | - |
| postrecession | 17 | - | - |
| postisolation | 15 | - | - |
| posterization | 24 | - | - |
| postinfection | 20 | - | - |
| posterisation | 15 | - | - |
| postinjection | 24 | - | - |
| phytopathogen | 27 | - | - |
| picturisation | 17 | - | - |
| picturization | 26 | - | - |
| pidginisation | 17 | - | - |
| pidginization | 26 | - | - |
| phycoerythrin | 29 | red pigment in red algae | - |
| phthalocyanin | 26 | - | - |
| phytoestrogen | 22 | - | - |
| pluralisation | 15 | the act of pluralizing or attributing plurality to | - |
| pluralization | 24 | the act of pluralizing or attributing plurality to | - |
| plesiosaurian | 15 | - | - |
| podsolisation | 16 | - | - |
| podsolization | 25 | - | - |
| podzolisation | 25 | - | - |
| podzolization | 34 | - | - |
| plebification | 22 | - | - |
| platyrrhinian | 21 | of or related to New World monkeys having nostrils far apart or to people with broad noses | - |
| platinisation | 15 | - | - |
| platinization | 24 | - | - |
| pretermission | 17 | letting pass without notice | - |
| pretelevision | 18 | - | - |
| prevarication | 20 | intentionally vague or ambiguous | - |
| prerevolution | 18 | - | - |
| proglottidean | 17 | - | - |
| prolification | 20 | - | - |
| privateersman | 20 | an officer or crew member of a privateer | - |
| privateersmen | 20 | - | - |
| preconisation | 17 | - | - |
| preconization | 26 | - | - |
| precombustion | 21 | - | - |
| preconvention | 20 | - | - |
| preconviction | 22 | - | - |
| predefinition | 19 | - | - |
| preadmonition | 18 | - | - |
| preadaptation | 18 | - | - |
| prenomination | 17 | - | - |
| premedication | 20 | - | - |
| prepossession | 17 | an opinion formed beforehand without adequate evidence | - |
| preproduction | 20 | - | - |
| preordination | 16 | (theology) being determined in advance; especially the doctrine (usually associated with Calvin) that God has foreordained every event throughout eternity (including the final salvation of mankind) | - |
| prefiguration | 19 | the act of providing vague advance indications; representing beforehand | - |
| predomination | 18 | the state of being predominant over others | - |
| prejudication | 25 | - | - |
| pulverisation | 18 | annihilation by pulverizing something | - |
| psychosurgeon | 24 | - | - |
| quartodeciman | 27 | - | - |
| quindecillion | 25 | - | - |
| quadrisection | 25 | - | - |
| prostaglandin | 17 | a potent substance that acts like a hormone and is found in many bodily tissues (and especially in semen); produced in response to trauma and may affect blood pressure and metabolism and smooth muscle activity | - |
| propraetorian | 17 | - | - |
| protuberation | 17 | - | - |
| redisposition | 16 | the withdrawal and redistribution of forces in an attempt to use them more effectively | - |
| redissolution | 14 | - | - |
| redescription | 18 | - | - |
| recompilation | 19 | - | - |
| recomposition | 19 | - | - |
| recompression | 19 | - | - |
| recomputation | 19 | - | - |
| reformulation | 18 | - | - |
| refocillation | 18 | - | - |
| reduplication | 18 | repetition of the final words of a sentence or line at the beginning of the next | - |
| reexamination | 22 | (law) questioning of a witness by the party that called the witness after that witness has been subject to cross-examination | - |
| reexportation | 22 | - | - |
| ratiocination | 15 | the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism) | - |
| randomisation | 16 | a deliberately haphazard arrangement of observations so as to simulate chance | - |
| randomization | 25 | a deliberately haphazard arrangement of observations so as to simulate chance | - |
| radialisation | 14 | - | - |
| radialization | 23 | - | - |
| radiolocation | 16 | measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects | - |
| recalibration | 17 | - | - |
| recirculation | 17 | circulation again | - |
| reacquisition | 24 | - | - |
| reaggregation | 16 | - | - |
| reattribution | 15 | - | - |
| reapplication | 19 | - | - |
| restimulation | 15 | - | - |
| retranslation | 13 | - | - |
| resegregation | 15 | - | - |
| repunctuation | 17 | - | - |
| revindication | 19 | - | - |
| rhizocephalan | 32 | - | - |
| retrogression | 14 | returning to a former state | - |
| retroflection | 18 | an articulatory gesture made by turning the tip of the tongue back against the roof of the mouth | - |
| retrospection | 17 | memory for experiences that are past | some psychologists tried to contrast retrospection and introspection |
| revendication | 19 | - | - |
| revaccination | 20 | - | - |
| reutilisation | 13 | - | - |
| reutilization | 22 | - | - |
| republication | 19 | the act of publishing again | - |
| relubrication | 17 | - | - |
| remonstration | 15 | the act of expressing earnest opposition or protest | - |
| reinnervation | 16 | - | - |
| reinoculation | 15 | - | - |
| reinfestation | 16 | - | - |
| reimportation | 17 | - | - |
| representamen | 17 | - | - |
| reorientation | 13 | the act of changing the direction in which something is oriented | - |
| scleroprotein | 17 | a simple protein found in horny and cartilaginous tissues and in the lens of the eye | - |
| scintillation | 15 | a rapid change in brightness; a brief spark or flash | - |
| scintilliscan | 17 | - | - |
| scorification | 20 | - | - |
| scenarisation | 15 | - | - |
| scenarization | 24 | - | - |
| sectorisation | 15 | - | - |
| sectorization | 24 | - | - |
| sedimentation | 16 | the phenomenon of sediment or gravel accumulating | - |
| ruggedisation | 16 | the act of making a piece of equipment rugged (strengthening to resist wear or abuse) | - |
| ruggedization | 25 | the act of making a piece of equipment rugged (strengthening to resist wear or abuse) | - |
| routinization | 22 | - | - |
| routinisation | 13 | - | - |
| rumelgumption | 20 | - | - |
| rumlegumption | 20 | - | - |
| sacralisation | 15 | - | - |
| sacralization | 24 | - | - |
| ritualisation | 13 | - | - |
| rhythmisation | 24 | - | - |
| rhythmization | 33 | - | - |
| ritualization | 22 | - | - |
| scalenohedron | 19 | - | - |
| solemnisation | 15 | the public performance of a sacrament or solemn ceremony with all appropriate ritual | - |
| solemnization | 24 | the public performance of a sacrament or solemn ceremony with all appropriate ritual | - |
| socialisation | 15 | the action of establishing on a socialist basis | - |
| sorbitization | 24 | - | - |
| sorbitisation | 15 | - | - |
| sovietisation | 16 | - | - |
| sovietization | 25 | - | - |
| somatotrophin | 20 | a hormone produced by the anterior pituitary gland; promotes growth in humans | - |
| sensitization | 22 | (psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations) | - |
| serialisation | 13 | publication in serial form | - |
| serialization | 22 | publication in serial form | - |
| semipalmation | 19 | - | - |
| semievergreen | 19 | - | - |
| sensitisation | 13 | (psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations) | - |
| semiporcelain | 19 | - | - |
| signalisation | 14 | a conspicuous indication | - |
| signalization | 23 | a conspicuous indication | - |
| signification | 19 | the message that is intended or expressed or signified | the signification of Chinese characters |
| sexploitation | 22 | the commercial exploitation of sex or sexuality or explicit sexual material | sexploitation by advertisers is notorious |
| sexualisation | 20 | - | - |
| sexualization | 29 | - | - |
| spheristerion | 18 | - | - |
| sphingomyelin | 24 | - | - |
| spifflication | 23 | - | - |
| spectinomycin | 24 | an antibiotic used to treat gonorrhea | - |
| stagecoachman | 23 | - | - |
| stagecoachmen | 23 | - | - |
| sporopollenin | 17 | - | - |
| superaddition | 17 | - | - |
| summarization | 26 | the act of preparing a summary (or an instance thereof); stating briefly and succinctly | - |
| suffumigation | 22 | - | - |
| sulfurisation | 16 | - | - |
| summarisation | 17 | the act of preparing a summary (or an instance thereof); stating briefly and succinctly | - |
| supersalesman | 17 | - | - |
| supersalesmen | 17 | - | - |
| superfetation | 18 | fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time | superfetation is normal in some animal species |
| supernatation | 15 | - | - |
| subinvolution | 18 | - | - |
| subgeneration | 16 | - | - |
| subindication | 18 | - | - |
| subirrigation | 16 | - | - |
| structuration | 15 | - | - |
| suballocation | 17 | - | - |
| subcollection | 19 | - | - |
| subcommission | 21 | - | - |
| subsidisation | 16 | the act of providing a subsidy | - |
| subsidization | 25 | the act of providing a subsidy | - |
| suburbicarian | 19 | - | - |
| subtilisation | 15 | - | - |
| subtilization | 24 | - | - |
| subpopulation | 19 | a population that is part of a larger population | - |
| subsaturation | 15 | - | - |
| telencephalon | 20 | the anterior division of the forebrain; the cerebrum and related parts of the hypothalamus | - |
| tariffication | 21 | - | - |
| tartarisation | 13 | - | - |
| tartarization | 22 | - | - |
| technopolitan | 20 | - | - |
| testification | 18 | - | - |
| terpsichorean | 20 | a performer who dances professionally | - |
| terrorisation | 13 | the act of inspiring with fear | - |
| terrorization | 22 | the act of inspiring with fear | - |
| tenderisation | 14 | the act of making meat tender by pounding or marinating it | - |
| tenderization | 23 | the act of making meat tender by pounding or marinating it | - |
| temporisation | 17 | - | - |
| temporization | 26 | - | - |
| syllabication | 20 | forming or dividing words into syllables | - |
| symbolization | 29 | something visible that by association or convention represents something else that is invisible | - |
| syllogisation | 17 | - | - |
| syllogization | 26 | - | - |
| symbolisation | 20 | something visible that by association or convention represents something else that is invisible | - |
| supplantation | 17 | - | - |
| systemization | 27 | - | - |
| systemisation | 18 | - | - |
| systematician | 20 | - | - |
| tantalisation | 13 | - | - |
| tantalization | 22 | the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances | - |
| syphilisation | 21 | - | - |
| syphilization | 30 | - | - |
| transisthmian | 18 | - | - |
| trapezohedron | 28 | a polyhedron whose faces are trapeziums | - |
| transmountain | 15 | - | - |
| transpiration | 15 | the emission of water vapor from the leaves of plants | - |
| thematisation | 18 | - | - |
| thematization | 27 | - | - |
| thyroglobulin | 22 | an iodine containing protein that is obtained from the thyroid gland and exhibits the general properties of the globulins | - |
| tobaccanalian | 19 | - | - |
| totipalmation | 17 | - | - |
| thurification | 21 | - | - |
| overassertion | 16 | - | - |
| overattention | 16 | - | - |
| overinflation | 19 | - | - |
| overextension | 23 | - | - |
| overeducation | 19 | - | - |
| overexpansion | 25 | - | - |
| oppignoration | 18 | - | - |
| ornithischian | 21 | herbivorous dinosaur with a pelvis like that of a bird | - |
| orthohydrogen | 24 | - | - |
| parasyntheton | 21 | - | - |
| parencephalon | 22 | - | - |
| paralipomenon | 19 | (Old Testament) an obsolete name for the Old Testament books of I Chronicles and II Chronicles which were regarded as supplementary to Kings | - |
| patronisation | 15 | - | - |
| patronization | 24 | - | - |
| pauperisation | 17 | the act of making someone poor | - |
| pauperization | 26 | the act of making someone poor | - |
| overvaluation | 19 | an appraisal that is too high | - |
| oxyhemoglobin | 31 | the bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs | oxyhemoglobin transports oxygen to the cells of the body |
| overnutrition | 16 | - | - |
| oversecretion | 18 | - | - |
