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20-Letter Words Containing: I,S,S,I,O,N

 (In Any Order)
There are 33 20 letter words, 196 20 letter phrases and 0 20 letter abbr's with I,S,S,I,O,N in.

Best Scoring 20 Letter Words With: I,S,S,I,O,N

RankWordSave?LengthUsagePointsType
We couldn't find any valid Scrabble EU words with a length of 20. Try changing the version of the game.
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All 20 Letter Words

Words (33)
overenthusiasticallyunsatisfactorinessesuncompromisingnessesultrasegregationiststransformationalistssuperspecializationsrepresentationalistsrepresentationalismsreindustrializationsradioimmunoassayablepseudosophisticationprofessionalizationsphotodisintegrationsphosphatidylcholinesphiloprogenitivenessmischaracterizationsmicropaleontologistsmicrocrystallinitiesirreconcilablenessesinterstratificationsinconsiderablenessesinconsequentialitiesincomprehensiblenessincommensurabilitiesdimethylnitrosaminesdeindustrializationscontradistinguishingantifluoridationistsanticonservationistsnoninstitutionalisednephroangiosclerosisincontrovertiblenessimmunohistochemistry
Phrases (196)
william stanley jevonsuniversity of nebraskathomas lanier williamssuborder strepsirhinisuborder myxiniformessubclass commelinidaesphenisciform seabirdsecond coming of christscipio africanus majorsaponaria officinalisrhizopogon idahoensisresurrection of christresident commissionerpseudotsuga menziesiiprofessional relationplatanus occidentalispersonal relationshippass with flying colorsorder sphenisciformesobstruction of justicenymphicus hollandicusnutritionist's calorieneisseria gonorrhoeaeluscinia megarhynchosjudgement of dismissalindochinese peninsulaindirect transmissionhans christian oerstedgleditsia triacanthosecological successionctenocephalides caniscortinarius violaceuscommunity of interestsclassification systemcharadrius morinelluscentropus phasianinuscardinal compass pointbusiness relationshipbusiness organizationbusiness organisationbritish pound sterlingbotaurus lentiginosusblue ribbon commissionbasidiomycetous fungianemopsis californicaalexander iii of russiaadenosine diphosphatezalophus californicusximenesia encelioidesxenorhyncus asiaticusxanthoma disseminatumwilliam felton russellvoice in the wildernessverbesina encelioidesvena labialis superiorvaccinium caespitosumustilaginoidea virensuniversal propositionunited states air forcetrichomanes speciosumtransversus abdoministranscortical aphasiatrachinotus carolinustoxic industrial wastetonsilla pharyngealistolypeutes tricinctustheory of dissociationtelevision newscastersysteme internationalsylvilagus floridanusswainsona grandifloraswainsona galegifoliasubclass zoomastiginasteatornis caripensisstatute of limitationsstandard transmissionspiranthes porrifoliaspecial-interest groupspartina cynosuroidessouth american sea lionsolidago sempervirenssoftware optimisationsocial stratificationsocial security numbersocial anthropologistsmiledon californicusslip-tongue log skiddersisymbrium officinalesir james young simpsonsir geoffrey wilkinsonsinusoidal projectionsiderochrestic anemiasideroblastic anaemiasexual discriminationscintillating scotomascaphiopus bombifronssaxifraga stoloniferasanvitalia procumbenssalvelinus fontinalissalah al-din battalionssaint francis of assisireconnaissance by firepurse-string operationpsychopsis kramerianapsychological scienceprimary solid solutionpotassium-argon datingpotassium bicarbonateposttraumatic amnesiaposterior labial veinspostal rate commissionpopulation commissionpolystichum lonchitispolitical correctnessphalaenopsis amabilisperitonsillar abscessperisoreus canadensispercussion instrumentpenstemon linarioidespenicillin v potassiumnotropis atherinoidesnorthwest territoriesnorth island edelweissnonviolent resistancenonrestrictive clausenecrobiosis lipoidicanarthecium ossifragummumification necrosismountain lady's slippermeriones unguiculatusmelilotus officinalismaximilian's sunflowermacrotus californicuslonicera sempervirenslipoid granulomatosiskinetic theory of gasesketosis-prone diabetesjournalist's privilegeisidor feinstein stoneinhalation anesthesiainferior rectus muscleindustrial psychologyhyacinthus orientalishorizontal stabiliserhimantopus himantopushibiscus rosa-sinensishelleborus orientalishelianthus petiolarisgriselinia littoralisgnaeus julius agricolageometric progressiongenus hippoglossoidesgenus aspidophoroidesgaussian distributiongalvanic skin responsegaius cassius longinusflindersia schottianafield press censorshiperythronium dens-caniseragrostic abyssinicaenglish cocker spanielelectronic transistoredith giovanna gassionechinocactus grusoniidryopteris marginalisdoctoral dissertationdissociation constantdisassortative matingdionysius i of syracusedicrostonyx hudsoniusdesmanthus ilinoensisdante gabriel rossettidalbergia stevensoniicyperus alternifoliusctenocephalides feliscortinarius mutabilisconstruction industryconduction anesthesiacolorimetric analysisclinical psychologistcistothorus platensischilomeniscus cinctuscervical disc syndromecentaurium scilloidescardiac resuscitationcalculus of variationsbrassaia actinophyllaatlantic spiny dogfishasplenium trichomanesasparagus officinalesarteria intercostalisartemisia gnaphalodesardisia escallonoidesantonius stradivariusantitrust legislationairborne transmission
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