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There are 57 twenty-one-letter words containing H, 3N and 3O

adding␣one's␣twopenn'orthanthranoyllycoctonineaugmented␣sphenocoronabenzonaphthothiophenechorionic␣gonadotropinCommonwealth␣of␣Nationsconjunctivorhinostomycontinental␣philosophydon't␣shit␣in␣your␣own␣nestexponential␣smoothingsget␣one's␣ass␣handed␣to␣onegets␣one's␣shorts␣in␣a␣knotgotten␣in␣the␣boat␣and␣rowhomeotransplantationshorizontal␣integrationhydroxynaphthoquinoneinformation␣technologyinterhalogen␣compoundsJoule-Thomson␣expansionkinetofragminophoransknocking␣on␣heaven's␣doorKoyraboro␣Senni␣Songhailive␣on␣top␣of␣one␣anotherloosen␣the␣apron␣stringsmeningoencephalocoelemonobromonaphthalenesnarrow-nosed␣rhinocerosneoendothelializationneurophenomenologicalnonchlorofluorocarbonnonphenomenologicallynonphotosyntheticallyNorth␣Northamptonshirenot␣know␣which␣way␣to␣turnone's␣heart␣in␣one's␣throatonly␣Nixon␣can␣go␣to␣Chinaon␣the␣outside␣looking␣in on␣the␣outside,␣looking␣inopening␣a␣can␣of␣whoop␣assorthotransplantationspenny␣wise,␣pound␣foolishpentacontaheptachoronPhilonian␣conditionalsphono-semantic␣compoundplay␣into␣someone's␣handspound␣sand␣into␣a␣ratholepush␣against␣an␣open␣doorput␣on␣one's␣dancing␣shoesput␣the␣change␣on␣someonepyranonaphthoquinonessopranino␣saxophonistsstewing␣in␣one's␣own␣brothstolen␣someone's␣thundersynchronization␣domaintransphonologisationstransphonologizationswestern␣action␣shooting

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 55 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: 1 word
  • German Wiktionary: 18 words
  • Portuguese Wiktionary: 2 words
  • Dutch Wiktionary: 12 words

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