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There are 65 twenty-one-letter words containing I, 3L, M, O and S

acetylgalactosaminylsalkylaminooxadiazolesalphapapillomavirusesAmerican␣cliff␣swallowsasteroseismologicallyBellman-Ford␣algorithmsblack␣over␣Bill's␣mother'sblue␣creeping␣gromwellscell-adhesion␣molecules cell␣adhesion␣moleculeschlorotrimethylsilaneclassical␣unemploymentcosmological␣principlecyclotomic␣polynomialsdialkylhydroxylaminesdimethylphenylsilanoldimethylpolysiloxanesexternal␣oblique␣musclefalse␣bluetail␣emo␣skinkfasciomusculoskeletalfatal␣familial␣insomniahemlock␣woolly␣adelgidshyperbolic␣polynomialsill␣doers␣are␣ill␣deemersinternal␣oblique␣musclekick␣bollocks␣scrambleslemniscate␣of␣Bernoullilemon-bellied␣flyrobinsLevy-Hollister␣syndromelittle␣black␣cormorantslittle␣summers␣of␣St␣Luke little␣summers␣of␣St.␣Lukelong-tailed␣meadowlarkslowest␣common␣multipleslymphoblastic␣leukemiaMaxwell␣Street␣PolishesmetallonutraceuticalsmethyltrichlorosilaneMillard-Gubler␣syndromemillion-dollar␣question million␣dollar␣questionmorphophysiologicallymultiple␣personalitiesNeill-Dingwall␣syndromeno␣human␣being␣is␣illegalnucleocytoplasmicallyontoepistemologicallypalaeotempestologicalPallister-Hall␣syndromepolitical␣homelessnesspolydimethylsiloxanespseudointellectualismrear␣admirals␣(lower␣half)Russell-Silver␣syndromescalar␣multiplicationsscrambled␣egg␣slime␣moldseroloepidemiologicalSilver-Russell␣syndromesingle-molecule␣magnetssliding␣filament␣modelsSmall␣Scale␣Integrationspectrobolometricallyteleological␣argumentstrichloromethylsilanetrimethylchlorosilane

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 80 words
  • Spanish Wiktionary: 2 words
  • Italian Wiktionary: 6 words
  • German Wiktionary: 13 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 22 words

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