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There are 130 eighteen-letter words containing I, 2M, S, T and Y

aerothermodynamicsantisymmetrisationantisymmetrizationbatrachomyomachiesBurkitt's␣lymphomatacentrosymmetricitychemiluminescentlychemoluminescentlychemosymbiotrophicChimpy␣McFlightsuitcommodity␣exchangescommodity␣fetishismcommunity␣languages Community␣languagescommunity␣ownershipconstructive␣memorydesmethoxycurcumindesmethyltamoxifenDewey␣Decimal␣Systemdimethylformamidesdimethylimidazolesdissymmetrizationselectroimmunoassayeliminatory␣systemsemployment␣agenciesepididymovasostomyfriendly␣amendmentsget␣it␣out␣of␣my␣systemhemilaryngectomiesHer␣Imperial␣MajestyHermite␣polynomialsHimalayan␣MountainsHis␣Imperial␣Majestyhomobasidiomyceteshomopolymerisationhydropletismometerhyperimmunizationshypermetamorphosishypersomatotropismhypothalamectomiesimmunocytogeneticsimmunocytostainingimmunodensitometryimmunodysfunctionsimmunoscintigraphyimmunotrypanolysisincommensurabilityinformation␣systemsinnate␣immune␣systeminterchromosomallyintrachromosomallyintramembraneouslyketomethylenaminesking␣oyster␣mushroomLindenmayer␣systemslymphadenectomisedlymphoepitheliomaslymphoplasmacytoidlymphoplasmocytoidMadelung's␣deformitymagnetoasymmetriesmagnetogasdynamicsmancude-ring␣systemsmanganpyrosmalitesMartin-Bell␣syndromemechanostimulatorymedicinal␣chemistrymemory␣institutionsmesenchymalisationmesenchymalizationmetalloimmunoassaymetempsychoticallymethylamphetaminesmethylbenzylaminesmethylimidazoliumsmethylsulfenamidesmicrohymenopteransmisaminoacylationsmonetary␣instrumentmorphosemanticallymulti-academy␣trustsmultidimensionallymultiple␣star␣systemMymensingh␣Districtmyoepitheliomatousneurolymphomatosisnominal␣type␣systemsnoncentrosymmetricnonpsychotomimeticnonterminal␣symbols non-terminal␣symbolsOlympic␣Winter␣Gamesomnidimensionalitypaleomyrmecologistphysicomathematicspolygamma␣functionspostcommissurotomypresymptomaticallyquasithermodynamicrectosigmoidectomyrhythmic␣gymnasticsrotational␣symmetryrumination␣syndromesemicerebellectomysemisymmetrizationsemisystematicallysomnambulisticallysubpsychotomimeticsummability␣methodssupersymmetricallysymmetrical␣balancesymmetric␣functionssympathicomimeticssympathochromaffinsymplectic␣matricessymplectomorphismssystems␣programmingthermoacoustimetrythermodynamic␣statetime␣and␣motion␣studyTommy␣John␣surgeriestrimethylammoniumstrimethylsulfoniumuncommensurabilityvasoepididymostomyVietnam␣People's␣ArmyWestminster␣systemsWinter␣Olympic␣Gameswithdrawal␣symptomsYear␣Without␣a␣Summer

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 77 words
  • Spanish Wiktionary: 1 word
  • Italian Wiktionary: no word
  • German Wiktionary: 28 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 12 words

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