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

 (In Any Order)
There are 21 20 letter words, 128 20 letter phrases and 0 20 letter abbr's with O,R,I,S,O,N,S in.

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

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

Words (21)
uncompromisingnessestransformationalistsradioimmunoassayablepseudocholinesteraseprofessionalizationsphotoreconnaissancesphotodisintegrationsphosphofructokinasesphiloprogenitivenesspaleoanthropologistsoverprotectivenessesneuropharmacologistsmicropaleontologistslymphogranulomatosishyperconsciousnesseshomotransplantationsantifluoridationistsanticonservationistsnephroangiosclerosisincontrovertiblenessimmunohistochemistry
Phrases (128)
tumour necrosis factortransportation systemsuborder myxiniformesstephen collins fostersense of right and wrongsecond coming of christscipio africanus majorschool superintendentsaponaria officinalisrobert louis stevensonrhizopogon idahoensisresurrection of christresident commissionerprofessional relationpersonal relationshippass with flying colorsoryctolagus cuniculusorder sphenisciformesobstruction of justicenutritionist's calorieneisseria gonorrhoeaegross national productgenus ornithorhynchusendogenous depressioncortinarius violaceuscommunity of interestscardinal compass pointbusiness organizationbusiness organisationbotaurus lentiginosusblue ribbon commissionbaron snow of leicesteranemopsis californicaalessandro cagliostrozalophus californicusxanthosoma atrovirensworkmen's compensationword processing systemwoolsorter's pneumoniauniversal propositiontrichomanes speciosumtrachinotus carolinusthysanopterous insecttheory of dissociationtheodore francis powysthelonious sphere monksynchronous operationswainsona grandiflorasubclass branchiopodaspiranthes porrifoliaspartina cynosuroidessouth american sea lionsomatic sensory systemsolidago sempervirenssoftware optimisationsocial stratificationsocial anthropologistsmiledon californicusslip-tongue log skiddersir joseph john thomsonsir james young simpsonsir geoffrey wilkinsonsinusoidal projectionsecond epistle of peterscaphiopus bombifronssaxifraga stoloniferarhododendron viscosumpurse-string operationprofit and loss accountprofessional footballprofessional baseballprocessus coronoideusprimary solid solutionpotassium-argon datingpotassium bicarbonateposterior labial veinspostal rate commissionporonotus triacanthuspolitical correctnessperonospora hyoscyamiperomyscus gossypinuspenstemon linarioidesoperation desert stormnotropis atherinoidesnorthwest territoriesnonviolent resistanceneoceratodus forsterinecrobiosis lipoidicamumification necrosismorphophonemic systemmacrotus californicuslipoid granulomatosislasthenia chrysostomakinetic theory of gasesketosis-prone diabetesjohn augustus roeblingjames douglas morrisonisidor feinstein stoneindustrial psychologyhorizontal stabiliserhelleborus orientalishare's-foot bristle ferngooseneck loosestrifegeometric progressiongenus reithrodontomysgenus ptilonorhynchusgenus gymnosporangiumgenus aspidophoroidesgaleorhinus zyopterusforeground processingelectronic transistorechinocactus grusoniidoctoral dissertationdionysius i of syracusedicrostonyx hudsoniuscoronary heart diseaseconstruction industrycompensatory spendingcolorimetric analysiscistothorus platensischinese black mushroomcalculus of variationsbegonia semperflorensbackground processingardisia escallonoidesarctostaphylos alpinaaldrovanda vesiculosaairborne transmission
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