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There are 74 twenty-one-letter words containing 3H, I and 2O

benzonaphthothiophenechemolithoautotrophicchemolithoheterotrophchemolithotrophicallycholedocholithotomiescholedocholithotripsydiphosphatidylcholinedoing␣the␣handsome␣thingdolichyldiphosphataseechoencephalographiesgive␣someone␣the␣heave-hoglycerophosphocholineGreat␣White␣Brotherhoodhad␣another␣think␣cominghas␣another␣think␣comingHashimoto's␣thyroiditishemihexakisoctahedronheterococcolithophorehistoriophilosophicalhostess␣with␣the␣mostesshostess␣with␣the␣mostesthydrohemicryptophyteshydrophosphinylationshydrophosphonylationshydroxynaphthoquinonehyperphosphorylationshyperthermoacidophileichthyoarchaeologicalichthyogeographicallyit's␣the␣hit␣dog␣that␣howlsknight␣of␣the␣green␣clothlike␣shit␣through␣a␣gooselying␣through␣one's␣teethmay␣the␣fourth␣be␣with␣you may␣the␣Fourth␣be␣with␣you May␣the␣Fourth␣be␣with␣you May␣the␣Fourth␣Be␣With␣YoumethanethiosulphonatemethyldihydromorphinemonophosphohistidinesNorth␣Northamptonshireophthalmopathologicalorthographic␣neighborsorthographic␣neighbourorthophotographicallyphenolsulfonphthaleinphilharmonic␣orchestraphosphatidylthreoninephosphoribohydrolasesphosphorus␣trichloridephotochemotherapeuticphotolithoautotrophicphotolithographicallyphotomechanochemistryphotophosphorylationsphotoplethysmographicpowers␣behind␣the␣thronepsychopathophysiologyright␣hand␣of␣fellowshipRussian␣Orthodox␣ChurchSerbian␣Orthodox␣Churchsouthern␣school␣whitingSouth␣Northamptonshirestraight␣out␣of␣the␣chutetechnophilanthropiststerephthaloyl␣chloridethermochromatographicthrow␣one's␣hat␣in␣the␣ringthrow␣one's␣name␣in␣the␣hatthrow␣one's␣weight␣behindtrichorhinophalangealtrichothiodystrophiestriphenylphosphoniumswho␣would␣have␣thought␣it

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 40 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 18 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 1 word

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