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There are 129 eighteen-letter words containing A, C, G, H, 2I and Y

acting␣the␣giddy␣goatalgorithmic␣entropyangiocholecystitisantiarrhythmogenicantiatherogenicityantihyperglycaemicantihyperglycemicsantiphagocyticallyarithmetic␣geometryarteriographicallyastrogeophysicistsautobiographicallybackspot␣flying␣fishbioautographicallybiochronologicallybiophysiographicalbiophysiologicallybiopsychologicallybiotechnologicallybizygomatic␣breadthcarrying␣one's␣weightChicago-style␣pizzasChicago␣typewriterschronobiologicallyclinical␣psychologycosmophysiologicalCounty␣of␣Antigonishcraniopharyngiomascriminal␣psychologycyclostratigraphiccytohistologicallyecophysiologicallyemergency␣physicianetiopathologicallyetymological␣hybridextraphysiologicalflying␣handkerchiefgastroscintigraphygeophilosophicallygerontopsychiatricglycyrrhetinic␣acidglycyrrhizinic␣acidgoniosynechialysisgo␣play␣in␣the␣traffichallucinogenicallyhelminthologicallyhemangiopericytomahemilaryngectomiesHieroglyphic␣Luwianhistocytologicallyhistoenzymologicalhistophysiologicalhomocysteinylatinghybridogeneticallyhydroclimatologisthydrostratigraphichyperallergenicityhyperandrogenicityhypercoagulabilityhyperglobulinaemichyperglyceridaemiahyperphysiologicalhypertriglyceremiaimmunoscintigraphyinorganic␣chemistryinterchangeabilityintrapsychologicalisobolographicallyisoglycyrrhizinatelymphomalignancieslymphoscintigraphymacrophysiologicalmaritime␣archeologymethylglutaric␣acidmicrohydrogenationmicrophysiologicalneoglyphioceratidsneuropathogenicityneurophysiologicalnice␣guys␣finish␣lastnoncholinergicallynonexchangeabilitynonlogarithmicallynonphysiologicallynormophysiologicaloscillographicallypaleoichthyologistpaleophysiologicalpathophysiologicalpatristic␣anthologypharyngoepiglotticphotoallergenicityphotophysiologicalphyletic␣gradualismphylostratigraphicphysical␣distancingphysicotheologicalphysiogeographicalphysiopathologicalphytopathogenicityphytophysiologicalphytotoxicologicalprolymphangiogenicpsychobiographicalpsychobiologicallypsychogeriatricianpsycholinguisticalpsychological␣slipspsychologisticallypsychosociologicalpupillographicallyRayleigh␣scatteringrhythmic␣gymnasticsright␣lymphatic␣ductseismocardiographysemibiographicallyShanghai␣hairy␣crabssigillographicallysocial␣psychologiessociopsychologicalstaying␣the␣distancesublogarithmicallysuperphysiologicalsupraphysiologicalsympathetic␣stringsthioglycosylationsthrowaway␣ticketinguncopyrightabilityzygomaticosphenoid

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 68 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 10 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 4 words

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