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There are 62 twenty-one-letter words containing I, M, O, S and X

abstract␣expressionism Abstract␣Expressionismacetylhexosaminidasesalkylaminooxadiazolesaminopolycarboxylatesaxiom␣of␣extensionalitybenzoylhydroxylaminesbenzyloxyphthalimidescarboxamidoadenosinescompetitive␣exclusionscoordination␣complexesCoxeter-Dynkin␣diagramscyclomaltodextrinasesdialkylhydroxylaminesdicyclohexylammoniumsdidesmethyldoxylaminedihydrodesoxymorphinedimethoxyamphetaminesdimethoxyquinazolinesdimethylpolysiloxanesexploding␣head␣syndromeexploratory␣committeesexponential␣smoothingsexternal␣oblique␣muscleexternopyramidisationflexible␣sigmoidoscopyFrankenstein␣complexeshemihexakisoctahedronheterogeneous␣mixtureshexachloroantimonateshexafluoroantimonateshydroxymethylcytosineichthyoallyeinotoxisminner␣orbital␣complexesJoule-Thomson␣expansionloncastuximab␣tesirineMarxism-Leninism-MaoismMaxwell␣Street␣Polishesmetaxylohydroquinonesmethoxycarbonylationsmethylenedioxyphenylsmethyltriethoxysilanemicrocrystalline␣waxesmitochondrial␣matrixesmonocarboxypeptidasesmonofixation␣syndromesmononeuritis␣multiplexoctamethyltrisiloxaneorthorhombic␣pyroxenesoxyiminocephalosporinpolydimethylsiloxanespterygomaxillary␣fossaRevisionist␣Maximalismright␣stochastic␣matrixsimplified␣expressionssmart-reference␣proxiessopranissimo␣saxophonesphenomaxillary␣fossaesuxamethonium␣chloridethree␣marks␣of␣existenceto␣a␣first␣approximationWizard␣of␣Oz␣experiments

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 138 words
  • Spanish Wiktionary: 2 words
  • Italian Wiktionary: no word
  • German Wiktionary: 14 words
  • Portuguese Wiktionary: 1 word
  • Dutch Wiktionary: 13 words

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