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There are 30 eighteen-letter words containing H, N, O, Q, R, T and U

aminoanthraquinoneArrhenius␣equationsbeggars␣the␣questionbenzanthraquinonesEhrenfest␣equationsentered␣the␣equationequal-interval␣chordfuronaphthoquinoneHeath␣Robinsonesquehorse␣tranquilizerskidding␣on␣the␣squareLanchester␣equationmorphoquantitativenorthward␣equinoxesphenanthraquinonesplastohydroquinonequadruple␣whole␣notequantum␣field␣theoryquartz␣halogen␣lampsquasimonochromaticquasithermodynamicqueer␣someone's␣pitchRed␣Queen␣hypothesisrhetorical␣questionshort␣exact␣sequencesouthward␣equinoxesstereohomosequenceThue-Morse␣sequencestocopherolquinonestryptophylquinones

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 151 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: 1 word
  • German Wiktionary: 3 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: no word

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