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

 (In Any Order)
There are 23 20 letter words, 144 20 letter phrases and 0 20 letter abbr's with O,R,I,S,M,S in.

Best Scoring 20 Letter Words With: O,R,I,S,M,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 (23)
uncompromisingnessestransformationalistsspectrofluorometriesrepresentationalismsradioimmunoassayablepsychopharmacologistpsychopharmacologiesneuropharmacologistsmischaracterizationsmicropaleontologistsmicroelectrophoresismicroelectrophoresesmicrocrystallinitieslymphogranulomatosisincomprehensiblenessincommensurabilitieshyperparathyroidismshomotransplantationselectroluminescencesdimethylnitrosaminescomprehensiblenessesimmunohistochemistryheterobasidiomycetes
Phrases (144)
tumour necrosis factortransportation systemthomas lanier williamssuborder myxiniformessphenisciform seabirdsir james george frazersecond coming of christscomberomorus regalisscipio africanus majorsamuel rawson gardinerresident commissionerorder sphenisciformesmilton snavely hersheyluscinia megarhynchosindirect transmissionfrankenstein's monsterfamily passifloraceaefamily gasterosteidaecommunity of interestscharadrius morinelluscarson smith mccullerscardinal compass pointcaprimulgus vociferuscaprimulgus europaeusblue ribbon commissionanemopsis californicaamerican harvest mouseambystomid salamanderambloplites rupestrisaimee semple mcphersonxiphosurus polyphemusxanthosoma atrovirensworkmen's compensationword processing systemwoolsorter's pneumoniawilliam felton russellwestern honey mesquitetrichomanes speciosumtransversus abdoministobias george smollettthelonious sphere monktamiasciurus douglasisysteme internationalsystema respiratoriumsymplocarpus foetidussuperior rectus musclesuperfamily muscoideasudanese monetary unitsuborder sciuromorphastandard transmissionsouth american sea lionsomatic sensory systemsolidago sempervirenssoftware optimisationsodium orthophosphatesodium lauryl sulphatesocial security numbersmiledon californicussisymbrium officinalesir joseph john thomsonsir james young simpsonsiderochrestic anemiasideroblastic anaemiashort-billed marsh wrensexual discriminationsenior master sergeantseborrheic dermatitisscaphiopus bombifronssaxifraga sarmentosamsanvitalia procumbensrhododendron viscosumpyramidal motor systempublius vergilius maropterocarpus marsupiumpsychopsis kramerianaprimary solid solutionpotassium-argon datingpotassium bicarbonateposttraumatic amnesiapostal rate commissionpolystichum setiferumphaseolus multiflorusperonospora hyoscyamiperomyscus gossypinuspercussion instrumentpenstemon linarioidespassiflora mollissimapassiflora maliformisparietomastoid sutureoperation desert stormnarthecium ossifragummyrmecobius fasciatusmumification necrosismountain lady's slippermorphophonemic systemmorchella angusticepsmigratory grasshoppermicropterus salmoidesmeriones unguiculatusmaximilian's sunflowermasticophis lateralismarcus terentius varromacrotus californicusmacronectes giganteuslyrurus mlokosiewiczilonicera sempervirenslipoid granulomatosislesser rhomboid musclelasthenia chrysostomaklinefelter's syndromejames douglas morrisonisovolumetric processinferior rectus musclegross domestic productgeorge william russellgeometric progressiongenus reithrodontomysgenus gymnosporangiumfamily scombresocidaeerythronium dens-canisempiricist philosophydryopteris marginalisdomestic silkworm mothdisassortative matingdemetrius poliorcetescyamopsis psoraloidescortinarius mutabilisconvergent strabismuscompensatory spendingcolorimetric analysischinese black mushroomcervical disc syndromecentaurium scilloidescarya myristiciformiscardiovascular systembrugmansia suaveolensblastodermic vessiclebegonia semperflorensastreus hygrometricusasplenium trichomanesasarum shuttleworthiiartemisia gnaphalodesambrosia psilostachyaairborne transmission
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