Dictionary Only:
Profanity Off:

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

 (In Any Order)
There are 30 20 letter words, 166 20 letter phrases and 0 20 letter abbr's with I,O,N,O,U,S in.

Best Scoring

Expand?WordSave?LengthUsagePointsType
We couldn't find any valid Scrabble US words with a length of 20. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US!

All 20 Letter Words

Words (30)
institutionalizationunconscionablenessesuncompromisingnessesultrarevolutionariesreconceptualizationsradioimmunoassayablepseudosophisticationpseudocholinesterasephosphofructokinasesneurophysiologicallyneuropharmacologistsneuroendocrinologistneuroendocrinologieslymphogranulomatosiskeratoconjunctivitesimmunoprecipitationshyperconsciousnessesglomerulonephritidesdeoxyribonucleotidescountermobilizationscounterdemonstratingcounterconditioningsantifluoridationistsnoninstitutionalizednoninstitutionalisedkeratoconjunctivitisimmunohistochemistrycounterrevolutionistcounterdemonstrationcounter-revolutionist
Phrases (166)
woodrow wilson guthrietwo-dimensional figuretumour necrosis factorthousand and one nightssuborder myxiniformessouth american countrysignature recognitionsecond lateran councilscipio africanus majorschool superintendentrobert louis stevensonresurrection of christreconstruction periodprumnopitys taxifoliaphotographic emulsionoryctolagus cuniculusobstruction of justicenutritionist's caloriemadonna louise cicconelunar excursion moduleinstruction executionhenri toulouse-lautrecgross national productgenus phoenicophoriumgenus ornithorhynchusfouquieria columnarisestonian monetary unitendogenous depressionemotional disturbanceecological successiondemonstrative pronouncortinarius violaceusconvolvulus scammoniaconsecutive operationconfession of judgmentcommunity of interestscomedogenic substancebusiness organizationbusiness organisationbotswana monetary unitbotaurus lentiginosusblue ribbon commissionbasidiomycetous fungiaustralian bonytongueageratum houstonianumzalophus californicusxeroderma pigmentosumwoolsorter's pneumoniauniversal propositionuniversal product codeungradable oppositiontrichomanes speciosumtrachinotus carolinusthysanopterous insectthelonious sphere monksynchronous operationsupport vector machinesubornation of perjurysuborder anthropoideasubclass zoomastiginasubclass branchiopodastatute of limitationsspartina cynosuroidessouth american sea lionsource of illuminationsomalian monetary unitsmiledon californicusslip-tongue log skiddersir james young simpsonsinusoidal projectionsecretary of educationsecond vatican councilsecond earl of guilfordsecond council of lyonsscouting organizationscintillation counterscaphiopus bombifronssalvinia rotundifoliarumohra adiantiformisround-spored gyromitrarocky mountains cherryrhododendron viscosumrevolutions per minutereligious orientationreconstructive memorypurse-string operationpsychic communicationprofit and loss accountprocessus coronoideusprimary solid solutionpotassium-argon datingpotassium bicarbonateporonotus triacanthuspopulation commissionpolystichum lonchitispodocarpus ferrugineapilosella officinarumpierre-joseph proudhonphysostigma venenosumperomyscus gossypinusorange mushroom pimpleophioglossum pendulumneurological disorderneoceratodus forsterimycoplasmal pneumoniamumification necrosismonoblastic leukaemiamolluscum contagiosummicrosorium punctatummelilotus officinalismacrotus californicusluis de gongora y argotelowest common multiplelofortyx californicuslipoid granulomatosislecture demonstrationkingdom of saudi arabiajohn augustus roeblingjames douglas morrisonintravenous pyelogramintravenous injectionindustrial revolutionindustrial psychologyhimantopus himantopushelleborus orientalisgregory goodwin pincusgenus reithrodontomysgenus ptilonorhynchusgenus hippoglossoidesgenus hamamelidoxylongenus gymnosporangiumgenus aspidophoroidesgaleorhinus zyopterusform genus rhizoctiniaforeground processingfirst council of nicaeafirst baron rutherfordfibrous-rooted begoniaeuropean house cricketechinochloa crusgalliechinocactus grusoniidolichonyx oryzivorusdivision euglenophytadiplotaxis tenuifoliadionysius i of syracusedicrostonyx hudsoniuscoumarone-indene resincorpuscular radiationconstructive evictionconstruction industryconduction anesthesiacommon snapping turtlecolour television tubeclostridium botulinumcistothorus platensischrysophyllum cainitochionochloa conspicuachinese black mushroomcentrolobium robustumcalochortus nuttalliicalculus of variationsbinomial distributionbackground processingastrophyton muricatumandropogon virginicusaldrovanda vesiculosa
WordDB Icon
WordDB
United Kingdom
Download the WordDB app directly on your home screen for instant access. No App Store necessary, less than 1MB storage, always up-to-date and secure.
1.
Tap on share button
2.
Tap on Add To Home Screenadd button
3.
Find WordDB App Icon on your home screen