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There are 40 twenty-one-letter words containing A, C, 3M, O and R

cetyltriethylammoniumChiari-Frommel␣syndromecommitting␣magistratesCommon␣Language␣Runtimecomplementary␣antonymscomplementary␣medicinecompositional␣grammarsDormant␣Commerce␣Clauseferric␣ammonium␣citrateformiminoglutamic␣acidgamma-aminobutyric␣acidgeometrothermodynamicimmunochromatographicimmunochromatologicalimmunopharmaceuticalsimmunopharmacologicalimmunopharmacologistsisometamidium␣chloridemagnetothermodynamicsmarch␣to␣one's␣own␣drummermembrane␣attack␣complexmeter-kilogramme-secondmetre-kilogramme-secondmicrocompartmentationmicromorphometricallyminimum␣sector␣altitudeminimum␣viable␣productsophthalmodynamometricperformance␣managementpneumohemopericardiumquantum␣chromodynamicsradioimmunochemicallyritual␣Ten␣Commandmentsrubber␣stamp␣committeesscrambled␣egg␣slime␣moldSimmons-Smith␣reactionssimple␣harmonic␣motionssphygmomanometricallytricyclohexylammoniumundocumented␣immigrant

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 39 words
  • Spanish Wiktionary: 2 words
  • Italian Wiktionary: 5 words
  • German Wiktionary: 11 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 10 words

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