15 letter words ending with "ion"

abcletelevision aboutonebillion abridgeddiction abridgedversion absenceofmotion academicization academicsession acanthomeridion acanthostracion accessorization acclimatisation acclimatization accustomization acheepimitation achromatization acidindigestion acmecorporation acrossthenation actofabdication actofaggression actofcontrition acupuncturation addedattraction adjectivization administeration adsignification africanreligion after-sensation afterimpression afterreflection aggravidization aggressornation agoodimpression ahundredmillion akittyrebellion algebraiquation allianz-mission allorecognition allostimulation allovercreation alphabetisation alphabetization alternatization alveolarisation alveolarization americanisation americanization amethysphaerion amphibolization andchildreunion androgenization anesthetization angioprevention anhydridization annualmigration anoinnsituation answer&question answeraquestion ante-ambulation anti-corruption antiassociation anticoagulation anticommutation anticompetition anticonsumption anticontraction anticorporation anticorrelation antidegradation antideportation antidissolution antiduplication antielimination antigravitation antiimmigration antilegislation antinociception antiprohibition antipropagation antiprosecution antiretaliation antisegregation antispeculation antisubrogation antitermination antiunification antivaccination antivivisection applepieportion appropinquation arfappreciation arithmetization armoreddivision arrowrevolution artappreciation artdepreciation arterialization askedpermission asneatasapinion assetallocation astronavigation athermalization attheconclusion austenitization auto-completion auto-regression auto-suggestion autoacetylation autoaggregation autocalibration autocollimation autoconvolution autocorrelation autodegradation autodestruction autofecundation autoinoculation autointegration autointeraction autonegotiation autorecognition autoredirection autotransfusion autotranslation auxosporulation awkwardposition backexamination backpropagation baconsrebellion ballofconfusion bardofeducation barktheoccasion barrassociation batavianization batecholocation battingchampion battleformation begforattention begsthequestion betatestversion beyondsuspicion bigintroduction bigtimeaudition bilinearization binaryoperation binocularvision bioaccumulation bioaugmentation bioclaustration bioconstruction biodistribution bioinactivation biomanipulation biomodification biopedturbation biopreservation blackfeetnation blankammunition blankexpression bleatgeneration bloodrelaxation bluegrassregion boardingpassion bookclubedition books-a-million breadthofvision breedwalkaction britishinvasion brokeninjection bronchodilation brownieinmotion browningversion bruceploitation bruchwegstadion bucksconvention buddingchampion bulkfoodsection burningambition burningquestion butadienylation cabinetposition cabletelevision caffeinediction cagesexlocation calendarization californication callingintstion calmdisposition camelconvention campylorhaphion cannibalisation cannibalization capillaryaction carbometalation carbonatization carbonification carbophenothion carregistration cartransmission cashtransaction catheterisation catheterization catholicisation catholicization causeirritation cauterification celebrification cellduplication cellularization cementification centersofaction centraldivision centrallocation centralposition cerebroganglion cesareansection chaiserebellion champagnization changedirection chargingstation cheeringsection cheerperfection chemicalization chemiexcitation chemoattraction chemoperception chemoprevention chemoprotection cherrycondition cherrysituation chillyreception chondrification cilantrooronion circularisation circularization circumagitation circumcursation circumgestation circumincession circuminsession circumportation circumscription circumvallation civilianization claphamjunction cleanupposition cleardefinition clearfoundation clericalization clockcorrection cmultiplication co-articulation co-construction co-fermentation co-incineration co-transfection cockneyfication codetermination codetoperdition coenopopulation collachrymation colliquefaction colonialization colortelevision comeinlikealion cometoadecision commanddecision commodification commoditisation commoditization communalization communitization complementation complimentation computerisation computerization condomgemnation confermentation congelifraction consonification consularization consumerization contra-incision contra-rotation contravallation contraviolation contropposition convexification conveyorization coprecipitation corporatisation corporatization corporification cotranscription counterpetition counterposition counterquestion counterreaction counterrotation courtinjunction coverperversion covertoperation cravenaffection crimeprevention crimesofpassion criminalisation criminalization cross-infection cross-promotion crosseamination crosstabulation crownofcreation cryforattention cryo-adsorption cryptoexplosion crystallisation crystallization cubanrevolution culturalization cursecorrection customerization cyanoethylation cyanosilylation cyberdefamation cybergeneration cybernavigation cyberrevolution cyclomerization cyclometalation dancemeditation de-articulation de-illumination de-nazification de-sinicization deacidification deadenylylation deadtreeedition deafferentation deagglomeration dearomatization debathification debendification debuccalization decalcification decarbonization decarbonylation decarboxylation decarburization decartelization decasualization decentalisation decephalization decerebellation decertification decidualization decimalfraction decolourisation decolourization decommunization deconcentration deconsolidation decontamination decreasedvision deculturization defacethenation defasciculation defragmentation defuzzification defydescription deghettoization deglamorization deglobalisation deglobalization deglorification deglycosylation dehellenization dehydrogenation dehydroxylation dehypnotization deindividuation deinsectization deintercalation delabialization delayedreaction deleptonization delignification demagnetisation demagnetization demagnification demagnitisation demandafunction demandattention demanganisation demanganization demannosylation demassification dementalization demephitization demetallization democratisation democratization demulsification demutualisation demutualization demyelinization demystification denarcotization deniggerization denitrification denitrogenation denormalisation denormalization depacketization depalletization deparaffination departmentation depauperization deprivatization depropanization depthperception deracialization derandomisation derandomization derhotacization desacralization desensitisation desensitization deserialization desertification desexualisation desexualization desilverization desocialization despecification despiralization destabilisation destabilization destalinisation destalinization destructuration desuccinylation desulfurisation desulfurization determinization detribalisation detribalization devacuumization deverbalization devirginisation devirginization devitrification devulcanization dextroelevation dezincification diagonalisation diagonalization dichotomisation dichotomization differentiation dihydroxylation diningcompanion dipdiprecession diplofoundation directquotation dis-unification disappreciation disarticulation disassimilation discolorisation discolorization discommendation disconfirmation discontentation discontinuation dishumanization disincameration disinheritation disintoxication disorganisation disorganization displayscaution dissatisfaction distantrelation diversification dotcomexplosion down-regulation dozenmeditation drawaconclusion dreamintoaction drewaconclusion drillyreception drivereducation drivingambition drtodistraction duckthequestion dystrophisation e-communication e-participation easterndivision easternquestion easterrebellion easygamestation eauthentication effectivization eggsbenediction egyptianization eigenprojection ekklesiasterion electrification electroadhesion electrolocation electrolysation electrolyzation electronovision electroporation electrorotation electrosorption emptyexpression encephalization endconstruction endodermization endoduplication endofdiscussion endosporulation endshadowoption energyeducation engineerization equalprotection equiponderation erodebyfriction escapeattention escapedetection eskimoexcursion essaycollection estonianization etherealisation etherealization etherialization etymologization europeanisation europeanization europeanunction exauthorization excarnification excepteducation excommunication exemplification exercisecaution exogastrulation experimentation exposeaquestion extemporisation extemporization extensification exteriorisation exteriorization externalisation externalization fabletelevision faircompetition falseaccusation falseconfession falseimpression familiarisation familiarization fatalattraction fatefuldecision faunalturbation feltaconnection ferrodistortion fetalexposition fictionjunction fideicommission fidelattraction fieldsaquestion fileanextension finalresolution findagasstation firstaidstation firstgeneration firstimpression fiscaleducation fivemanrotation fixedexpression flabergastation flexibilization floodprevention flop-transition floralturbation floridavacation fluctuadmission followsfunction foodpreparation foremanfunction formaleducation formularisation formularization fossilification fourthdimension fractionization fragmentization frankdiscussion fratwithtension freeassociation freefrompassion freetranslation frenchfryoption frenchification frostyreception fullexplanation g.communication gabletelevision gainedadmission galactosylation gameconsolation garnerattention gasolinestation gastroplication gebirgsdivision geeksploitation generalaviation generalelection geneticmutation geo-replication geolocalisation geolocalization gettingreligion giftededucation gigantification giveasuggestion givespermission glucoregulation glucuronidation goalcelebration god-realization gointoseclusion gradedepression gradeseparation granitification granularisation granularization graviperception greatdepression greenrevolution grimeprevention grossperversion groupdiscussion gutterconfusion gutturalization gyrotranslation habilimentation hadroproduction haemofiltration hairrestoration halocyclization halorespiration hardbackedition hasdoublevision hastyconclusion haveaconniption haveadiscussion hayrecollection hazardanopinion headoncollision heartcollection heatprostration heightoffashion herbrandization heteroarylation heteropodagrion heteropolyanion hierarchization high-definition high-resolution highereducation highestambition hispanicization historicization hockeyviolation homoassociation homoconjugation hospitalisation hospitalization hostilereaction housewifization humveeformation hydroconversion hydrodemolition hydrodilatation hydrodistention hydroextraction hydrogeneration hydrometalation hydrosilylation hydrostannation hydrothiolation hyperactivation hyperconnection hypercorrection hyperexcitation hyperfiltration hyperinnovation hyperlocomotion hyperproduction hyperregulation hypersalivation hypersaturation hypoacetylation hypomethylation hypomyelination hypostatisation hypostatization hypoventilation idlespeculation immanentization immatriculation immortalisation immortalization immortification immunodepletion immunodetection immunodiffusion impatronization imperialization implicitization impliedquestion improvedivision improvedversion inanimadversion inasafelocation incarnification incentivisation incentivization incommoderation incommunication incomprehension inconsideration indemnification indetermination infantilisation infantilization informatisation informatization informedopinion ingoodcondition initialreaction injurypronation injuryselection inkofextinction inmintcondition inner-direction inreciprocation instrumentation insubordination integumentation intelcombustion intensification interadaptation interarboration interconnection interconversion interdigitation interfederation interfriendtion interglaciation interinhibition interiorization interlamination interlucidation intermodulation internalisation internalization interosculation interpopulation interreflection intersusception intervisitation intopennstation intrapopulation introsusception intussusception inverterization investingoption invisiblization iodocyclization ion-association iotaiseeigluion iradistribution iraqioccupation iseconddemotion isoimmunization italianstallion itsyourdecision javaapplication jobsatisfaction jointresolution judicialization judicialsession judocompetition juryinstruction kabultelevision keepindetention kelowna-mission kjeldahlization kmartpopulation krispykremation kunsteisstadion laborofdivision lackinggumption ladderinfection laevodepression lameducksession landrestoration latensification latestinvention latinpercussion lawsofpromotion leadingquestion legalprofession legalseparation leimbachstadion leptophilypnion leptoproduction leucoxenisation leucoxenization lichenification lightscameraion limitedaddition lipaugmentation lithoprotection loantranslation logicalsolution losetheelection lovecarejection loyalopposition lymphodepletion lyopreservation macrodispersion macrodissection macrodontophion maderestitution majorattraction makeaconfession makeaconnection makeanexception makeaprediction makearesolution mal-observation malassimilation malconformation malconstruction maldistribution malpresentation mandatoryoption manicdepression manorialization marginalisation marginalization marktheoccasion masculinisation masculinization massobservation masterschampion materialisation materialization maternalisation maternalization mathematization matlockelection matterofopinion mcdonaldization mediatelevision medicamentation megacorporation melodeclamation memorialisation memorialization merchandisation merchandization mercurification meritsattention mermaiddominion merorganization meta-discussion meta-moderation meta-regression meta-regulation metacompilation metainformation metallification metamictization metricalization metronomization micro-operation microaggression microaspiration microdispersion microdissection microestimation microexpression