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There are 86 eighteen-letter words containing H, I, 2L, 2R and Y

alkylhydroperoxideanthropometricallyarchaeographicallyarteriographicallyarylhydroxylaminesbig␣hairy␣armadillosbiocrystallographybiohydrometallurgyBurley␣in␣WharfedalecharacteristicallychlorotetracyclinechlortetracyclinesChristocentricallycocrystallographiccrystal␣field␣theorycrystalline␣humourscrystallochemistrycrystallographicalDeath␣Valley␣driversdendrohydrologicaldiarylheterocyclicdithiolopyrrolonesEarly␣Modern␣Englishelectrochromicallyelectrographicallyerythroleukoplakiaethnoterritoriallyferripyrophyllitesforty-ninth␣parallelgraph-theoreticallyHartley␣oscillatorshermaphroditicallyhistoriometricallyholy␣water␣sprinklerholy-water␣sprinkleshydroastrophyllitehydrofluoroolefinshydrometallurgicalhydrometallurgistshydromorphologicalhyperallergenicityhypercitrullinatedhypercitrullinemiahypergeometricallyhyperparasiticallyhyper-real␣religionshypervulnerabilityhysterographicallyinterchromosomallyintrachromosomallyintraparenchymallykaryomorphologicalmyeloarchitecturalneurobehaviourallyparliamentary␣heels Parliamentary␣heelsparthenocarpicallyphanerocrystallinepharmacophoricallypolygon-circle␣graphpretherapeuticallypromorphologicallyprosopographicallypterylographicallypyrheliometricallyradiometallographyrank-nullity␣theoremrefreshable␣displayretrosyntheticallyrosebay␣willowherbsroyal␣straight␣flushspectrographicallyspondyloperipheralthermoelectricallythermophoreticallytranstheoreticallytrichlorobiphenylstrichlorodiphenylstrichloroethylenestrifluoromethylatetrimethylolpropanetypical␣bush␣warblerunorthographicallyurethrographicallywireless␣telegraphyZenithal␣Hourly␣Rate

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See this list for:

  • Scrabble in English: no word
  • French Wiktionary: 46 words
  • Spanish Wiktionary: no word
  • Italian Wiktionary: no word
  • German Wiktionary: 2 words
  • Portuguese Wiktionary: no word
  • Dutch Wiktionary: 1 word

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