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There are 104 eighteen-letter words containing 2A, 2H, 2O and Y

achlorophyllaceousallenylphosphonateanalytic␣philosophyanthropopathicallyanthroposophicallyantiphosphorylatedarachibutyrophobiaarchaeothanatologyautophosphorylatedautophosphorylatesbalneophototherapybatrachomyomachianbatrachomyomachiesbiophysiographicalbrachylophosaurinsbroadshoulder␣physacarbamoylphosphate carbamoyl␣phosphatecarbamoylphosphinecardiosphygmographchlorarachniophytechloroacetaldehydechromoanasynthesischronopharmacologychronostratigraphycyclodecaphosphate cyclo-decaphosphatedehydrohalogenateddehydrohalogenatesEarth␣Overshoot␣Daysencephalomyopathicesophagopharyngealevery␣rose␣has␣a␣thornexopolyphosphataseglamour␣photographyglycerophosphatasego␣the␣way␣of␣all␣fleshhalohydroxylationshepatonephromegalyhepatosplenographyhexaphosphorylatedhomopolysaccharidehydrohalogenationshydroxyhalolactonehymenophoral␣tramashypocholesteraemiahypochondroplasiashypoparathyroidismhypophosphataemiashypophosphatasemiahypothalamectomiesichthyoarchaeologyKirlian␣photographylysophosphatidatesmacrophanerophytesmorphostratigraphynanochromatographyneoichthyosauriansophthalmologicallyophthalmopathologyorthopantomographyorthotypographicalother␣days,␣other␣wayspachychoroidopathypalaeohydrographicparathyroid␣hormonepathophysiologicalpathopsychologicalphaeochromocytomasphaerochromocytomapharmacophenotypespharmacophoricallypharmacophysiologypharyngoesophagealpheochromocytomataphosphoacetylationphosphorocyanidatephotogalvanographyphototypographicalphysiogeographicalphysiopathologicalphytopharmacologicphytotopographicalpolychromatophiliapolyphthalocyaninepsychobiographicalpsychogeographicalpsychopathologicalpsychopharmacologyPythagorean␣theoremretinohypothalamicspondylarthropathysympathochromaffinthermoradiotherapythiocarbohydrazidethrombelastographytransphosphorylasetransphosphorylatetrash␣heap␣of␣historyunorthographicallyunphosphorylatablewhat␣time␣have␣you␣gotyeoman␣of␣the␣chamberyou␣know␣what␣they␣say

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 32 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 1 word
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: no word

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