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There are 148 eighteen-letter words containing A, C, E, 2H, I and Y

amphitheatricalityanhydrosaccharidesantiarrhythmogenicapophthegmaticallyaptahistochemistryarchaeographicallybacteriopheophytinbatrachomyomachiesbegan␣with␣the␣chuckybiophysicochemical bio-physico-chemicalbiphosphoglyceratecarbamoylphosphineChebyshev␣distanceschemoimmunotherapychemoprophylacticschemosyntheticallyChicago-style␣hot␣dogchlorarachniophytechloroethoxyamineschloromethylationsChomsky␣hierarchieschromoanasynthesiscyberethnographiescyberphilosophicalcyclodiphosphazenedecachlorobiphenyldehydrochlorinasesdehydrochlorinateddihydroanthracenesdihydrotachysteroldihydroxychalconesdimethylanthracenediphosphoglycerateecophilosophicallyencephalomyopathicerythrocytopathiesethnopsychiatristsethnopsychologicalethylsulphuric␣acidfirst␣catch␣your␣hareflying␣handkerchieffreshwater␣crayfishgeophilosophicallyglycerophosphatideglycolithocholatesgraph-theoreticallyHartwith␣cum␣Winsleyheavy␣goods␣vehiclesheavy␣marching␣orderhelminthologicallyhemimegalencephalyhermaphroditicallyhexachlorobiphenylhierarchy␣of␣effectsHieroglyphic␣Luwianhomopolysaccharidehydrogeochemicallyhyperbaric␣chambershyperbrachycranialhypercholesteremiahyperglycorrhachiahypermetamorphotichyperphosphataemichyperphysiologicalhypersophisticatedhypertechnologicalhypertheatricalityhyperthyroxinaemichypocholesteraemiahypothalamectomieshysterographicallyichthyoarchaeologyichthyohaemotoxinsichthyophthiriasesimmunochemotherapyKarachay-Cherkessialecithotrophicallylymphocytapheresismacropetalichthyidmarrying␣the␣ketchupmechanographicallymethylotrophicallymicrobrachytherapymicrophanerophytesmorphophonemicallyneoichthyosauriansneuropsychopathiesnonachlorobiphenyloctachlorobiphenylpachycephalosauridpalaeohydrographicpaleoichthyologistphenylchlorosilanePhiladelphia␣CountyPhilly␣cheesesteaksphosphoacetylationphosphorocyanidatephosphorylceramidephosphorylcreatinephotographic␣memoryphotosyntheticallyphycoerythrocyaninphysical␣geographerphysical␣therapistsphysicochemicalismphysicomathematicsphysicotheologicalphysiogeographicalphytopathogenicityphytotherapeuticalplay␣the␣dickens␣withplethysmographicalpolychemotherapiespolychromatophilespolyphthalocyaninepseudopsychopathicpsychogeographicalpsychopathologizedpsychopathologizespsychopharmaceuticpsychophoneticallypsychotherapeuticspsychotherapeutistpsychrometric␣chartretinohypothalamicsecondary␣phosphinesodicanthophyllitespectroheliographysulphinic␣anhydridesulphonic␣anhydridesynthetic␣lethalityTallahatchie␣CountyTchebychev␣distancetertiary␣healthcaretetrahydrochloridethalassochelydianstheoretical␣physicsthermohydrodynamicthermomechanicallythermophoreticallythiocarbohydrazidethrombocytopathiestricresyl␣phosphateturribrachycephalyultra␣high␣frequencyurethrographicallywhite␣carbohydrates

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 81 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 24 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 5 words

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