13 letter words ending with "ion"

a-combination academization acceptilation acclimatation accombination accommodation accreditation accrimination acculturation accustomation acetalization acetification acetylenation acetylization acidification acivilauction acquaintation actofomission actualisation actualization adenylylation adipoceration admensuration admortization admurmuration adoncollision adstipulation afforestation afghanisation afghanization africannation afterafashion agglomeration agglutination air-condition algebrization alieninvasion alinesolution alkanoylation alloeumyarion allylboration alodification altiplanation amidification aminoxylation amnioinfusion amorphisation amorphization amplification analogization analprobation anatomization anejaculation anglicisation anglicization anhydrization animadversion animalisation animalization annualization anonymisation anonymization antattraction antecommunion anti-abortion anti-division antiaddiction antiattrition anticoalition anticollision anticollusion anticontagion anticorrosion antidetection antieducation antievolution antiexpansion antiexpulsion antiextortion antiinfection antiintrusion antilibration antimigration antioxidation antipollution antipredation antipromotion antiquization antiradiation antirebellion antirecession antirejection antireversion antisecession antitradition antivibration apoclausirion apologization apophallation apparentation appendication appersonation appertisation appropriation approximation appunctuation apteralcidion argumentation aridification aromatisation aromatization artcollection artofillusion arylamination asboldasalion assassination asthenization atkinsception attemperation attermination auctionaction authorisation authorization autodetection autodigestion autoinduction autoinfection autoinjection autooxidation autoreduction averruncation aziridination back-reaction backformation backwardation bacterization badconnection balkanization balkinization ballyscullion ballyscunnion bandformation barbarisation barbarization barostriction barrioization barristration beatification belligeration beneficiation berginization bestdirection bethanization bicolouration bimboeruption bio-oxidation bioabsorption bioactivation bioalkylation bioconvection bioconversion biofiltration bioindication bioirrigation bioproduction biorientation bioseparation biosimulation biotinylation blackstallion blasphemation blindambition blindaudition blondambition bloodrelation bloomingonion bonustraction book-scorpion booksamillion booncompanion borealization bosuilstadion brachypareion breakvacation brutalisation brutalization brutification bsineducation bubbafication bugcollection bulgarisation bulletsession calcification callibrachion cancerization candidopinion cannonisation cannonization cannulisation cannulization cantonization caprification capsulization carbamylation carbonatation carbonisation carbonization carbonylation carboxylation carburization carcinisation carcinization cardioversion cardselection carnification carsuspension cartelization castification casualisation casualization catechisation catechization cattlestation cauterisation cauterization cellcognition cellodivision cellreception celticisation centesimation centonization centumization cephalization cermocination certification chainaddition chainreaction chemisorption chemoinvasion chemosorption chesschampion chickenlegion chilectropion chinareaction chinreduction chitinization chlorotherion choirstallion cholerization chucklevision chylification chymification cicatrization cinefondation circumcellion circumcession circumclusion circumduction circumerosion circumflexion circumsession circumvection circumvention circumversion clarification clavelization climatisation climatization clinorotation cliticisation cliticization close-caption closedcaption closedsession closeelection clustervision co-adaptation co-ordination co-regulation co-rumination co-simulation coaggregation coagmentation coalcoalition coalification coalternation coangustation cocainization cocirculation cocultivation codeclination coformulation cognomination cohonestation coinquination cointegration coldprofusion coliplication collaboration collarstation collustration colordivision colourisation colourization columnization combatmission commemoration commiseration commoderation commodulation commonization communication communisation communization compagination companisation companization complantation comprehension compromission comproportion concameration concatenation concentration concertacion concineration concomitation conconvention concorruption condescension confabulation confarreation confasciation confederation configuration conflagration conflictation confrontation congemination congeneration conglaciation connumeration conproportion conquassation consideration consolidation consolization conspissation conspurcation constellation consternation constupration consurrection contabulation contamination contemeration contemplation contraception contractation contradiction contrafaction contrafluxion contragestion contrariation contratacion contravention contraversion contrectation contristation controversion contumulation convalidation coolreception copperoration copredication corecognition cornification corporisation corporization corpsofnation corresponsion corroboration cosegregation costimulation cosuppression counteraction countercation countermotion counterpanion countervision crapplication craterization cratonization cretification criticization cross-section crossquestion crossreaction crotonylation crudification cryoplanation cryoturbation cryptofiction cryptometrion cucainization cunnilinction customisation customization cyborgization cycloaddition cyrillisation cyrillization cytoreduction daknamstadion damnification dandification dangerization de-escalation de-excitation de-extinction de-graduation de-iodination deacetylation deacquisition deadenylation deaffrication dealumination deamidization deaminization deargentation debenzylation debromination decalfraction decannulation decapsulation decarbonation decarburation decerebration decipheration decolouration decompilation decomposition decompression deconfliction deconjugation decontraction deconvolution decorporation decorrelation decortication decrepitation deculturation deduplication defectivation deferrization defibrination deforestation deformulation defulmination deglomeration deglutination degranulation degravitation dehonestation dehyphenation delacrimation delacrymation deltafication demetallation demethylation demonstration demyelination dendrophidion denounciation densification dentalization denticulation dentification deobfuscation deodorisation deodorization deoxidization deoxygenation depauperation dephenylation dephlegmation deproeliation deprotonation depublication depullulation derealisation derealization derecognition dereplication derequisition desargination desegregation desensitation desertization desialylation destatization destimulation desublimation desulfonation desulfuration desumoylation deterioration determination deuterization devastitation devirgination dewvaporation dextroversion diabatization diafiltration diapersession diazotisation diazotization dieselisation dieselization diffarreation dignification dimensuration dimethylation dinopteridion dinoturbation disannexation disapparition discalceation discameration discapitation discocleidion discoloration discommission discomplexion disconcertion disconnection discontention disembocation disenteration disestimation disexcitation disfiguration disinhibition disinsulation disinvitation disjudication dismembration disnification disobligation disoccupation disordination dispersuasion displantation dispossession disproportion disquietation disregulation disreputation dissemblation dissemination disseveration dissimilation dissimulation dissubjection distantiation diverberation diverspection dividednation documentation dodecaibidion dogmatization dolichylation dollarisation dollarization domestication domiciliation dorsalization double-action downselection dramatisation dramatization dreamvacation drewattention dulcification dutch-auction dysadaptation dysexpression dysregulation e-publication e-transaction eacceleration eatdepression eco-migration economisation economization ecybermission effascination effulmination ego-expansion eigenfunction eigensolution electrafixion electrization electrocution electrofusion electromotion electronation elliptization emiratisation emphasization emplastration encapsidation encapsulation enculturation enteroception entortilation enturbulation enviromission epidotization epimerization epinucleation epipsychidion epiregulation epitomization epitrachelion equilibration equipartition eroticisation eroticization estrinization euphonization europeanunion euthanisation euthanization eutrofication evasiveaction exauctoration exauspication exauthoration excardination excelebration excercitation excerebration excito-motion excorporation excortication exfamiliation exoadaptation exoticization expectoration expektoration expensilation expertization explicitation exploravision expostulation expropriation expunctuation exstimulation exsuscitation exterioration extermination externization exteroception extrapolation extraposition extraspection extravagation extravasation extravolution extremization extrospection facethenation factorfiction factorisation factorization failedmission fairpollution falsification familyreunion fancification farnesylation fasciculation fasciinatiion fatalposition fatattraction fattigauktion fazethenation febricitation fensulfothion ferritization ferrugination ferrumination fertilisation fertilization fetishisation fetishization feudalisation feudalization fibrilization fieldofvision fieldposition filamentation fileextension filingstation filmdirection finnicization firnification fissiparation fistulization flabergudgion flabergullion flagascension flatification floccillation florification flossofvision foetalization foreignlegion foreverlution formalisation formalization formulization fortification fossilisation fossilization fractionation fragilization fragmentation frequentation fricatization frontisterion frustillation fuelinjection funambulation functionation fuzzification fuzzyfication g-expectation gaelicisation gainadmission gallicization galvanisation galvanization garvaghullion gasbagstation gayliberation gemmification genderisation genderization genrelization geonavigation germanisation germanization gesticulation ghettoisation ghettoization girlification glacification glamorisation glamorization glebelization globalisation globalization glocalisation glocalization glomerulation glorification glucosidation glucosylation glycerination glycosidation glycosylation gothicfiction gotnoreaction graciemansion grandrelation granitization graticulation gratification gravireaction gregarization griphotherion guesstimation gymnothamnion habanastation hadronisation hadronization haemodilution half-equation half-reaction hallenstadion hallucination hangulization haptenization haptotrichion harmonisation harmonization haruspication haustellation heatofpassion heirpollution hellenization hemadsorption hemithorakion hemoperfusion herborization hermitization hidroaviacion hispanization hixploitation hominisection honestopinion hormonization hornification horrification horripilation hotexhaustion housepetition humanequation hyalinisation hyalinization hybridisation hybridization hydrazination hydroboration hydrogenation hydrolyzation hydrosilation hydroxylation hymnification hyperdilation hyperfunction hypermutation hypersorption hypertaxation hyphenization hypnotisation hypnotization hypocognition hypohydration hyponutrition hypoperfusion hypoprofusion hyposecretion hypothecation iconification ikarosstadion illecebration illegalmotion imbalsamation immersivision immunoevasion impalefection impenetration imperforation impersonation impignoration implastration impostumation impreparation improperation impropriation improvisation inaffectation inapplication incapsulation incarceration incardination incirculation incommodation inconjunction incontraction incorporation incrimination incultivation inculturation indemnization indianisation indianization indisposition indistinction individuation induplication inexpectation infantfiction inforestation informisation infraposition infrigidation ingravidation ingurgitation inhibernation ininnabulaion inmastication inobservation insideedition inspeculation instabulation