13 letter words ending with "ion"

signalisation signalization signification silentauction silicifaction sillabication silverization simplifaction single-action singspiration sinhalisation sinodorcadion sisiformation sissification slavicisation slovakization snivelization snivilisation snoopervision soapoperation socialisation socialization soderstadion sodfoundation solemnisation solemnization solyssetacion songversation souplantation sovietization sovietunction space-station spacejunction spargefaction sparklemotion spartanvision specification spectravision spectrevision spheristerion spifflication spinoculation spiralization splasherosion splitdecision spoon-fashion sporerelation sporification sportssection spumification stabilisation stabilization staffposition stalinisation stalinization stankervision startposition stateelection statefunction stavrochorion stavrokhorion steamyfiction steelernation stemeducation sterilisation sterilization sthenocranion stockadoption stolonization strangulation streptolirion stringsection structuration stupefication stylopization suballocation subcollection subcommission subconclusion subdefinition subdelegation subderivation subexpression subfoundation subfumigation subgeneration subincusation subindication subingression subinvolution subirrigation sublimination subordination subpopulation subrefraction subsaturation subsidisation subsidization subspeciation substentation subtilization subwaystation succification succinylation suffumigation sulcalization sulcification sulfenylation sulfofication sulfonylation sulfoxidation sulfurization summarisation summarization super-session superaddition superdivision supereruption superfetation superfunction supergression supernatation superposition superrotation suppeditation supplantation supraposition surexcitation sursumversion swabification swahilization syllabication syllabization syllogization symbolisation symbolization syncevolution synexpression syntonization synurbization syphilization systemization taiwanization takedictation takeoffaction tantalization taper-fashion tariffication tarnspiration tartarization taxcommission teaplantation technifermion tectonization telemediation teleoperation teleportation temporization temptcitation tenderisation tenderization terrification terrorisation terrorization testification tetartemorion teutonization texacostation texturisation texturization textversation theconfession thelocomotion thematisation thematization theplantation theriakission thermo-fusion thermoception thermotension thickquestion thinspiration thiocyanation thoracibidion thurification tinnyfraction tonprojektion torrefication torrification torsocclusion totipalmation toughposition trabeculation tradesanction trailervision trance-fusion transcolation transcreation transcription transfixation transforation transgenation transgression translavation translocation transmutation transnatation transpiration transposition transpression transvasation transvolation transvolution trialaversion triangulation tribalisation tribalization tricesimation trichalcidion trickquestion trickydiction trigeneration trigintillion trilateration trimerisation trimerization trinification trochanterion trochiscation tuberculation tuberjunction tuckerization turkification tussiculation twitterpation ukrainisation ukrainization ulsterisation unacclimation uncompression uncomputation uncorporation uncorrelation uncultivation undeclaration underfriction underfunction underreaction undisposition undissolution undistinction unexpectation unintegration unitarisation unitarization unmethylation unorigination unpreparation unrecognition unreformation up-regulation upforapmotion uralitization uridylylation usbconnection uvularization vaccinization vacuolisation vacuolization valourisation valourization vampirisation vampirization vandalisation vandalization vapourisation vapourization variolization vasallovision vectorisation vectorization velcrocushion verbalisation verbalization verbification verbigeration verbocination vermiculation vernalisation vernalization versiculation versification vibrioception vice-champion victimisation victimization villagisation villagization virialisation virialization visualisation visualization vitrification viviperfusion volcanization voltolization vulcanisation vulcanization vulgarisation vulgarization waitreduction warmreception weaponisation weaponization weathervision westernbunion westurrection whip-scorpion whistle-ation wiglomeration winddirection winsorisation winsorization winterisation winterization womenstuition worldchampion worsification ws-federation wussification x-corporation x-irradiation yaptelevision yesnoquestion youreducation yuppification zeolitization zincification zoisitization zombification