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There are 567 eighteen-letter words containing 3E, H and 2O

(page 3)

hydroelectric␣powerhydroencephalocelehydrogen␣electrodeshydropletismometerhyperbolic␣geometryhypermetamorphoseshyperoestrogenismshypocholesteraemiahypocomplementemiahypocomplementemichypoelectrolytemiahypomyelinogenesishypooestrogenaemiahyporesponsivenessimidazoheterocycleimmunonephelometerimmunonephelometryimmunopathogenesesintercomprehensioninterferonopathiesintermediate␣schoolinterphotoreceptorisoelectrophoresisisoelectrophoreticisopropylethylenesJiles-Atherton␣modelJohnnies-come-latelyJohnny-come-lateliesJordan␣curve␣theoremJoule-Thomson␣effectkeeps␣one's␣mouth␣shutkeeps␣the␣pot␣boilingketophenylbutazonekissing␣someone's␣hemknow␣where␣one␣standslactodehydrogenaselarge␣tortoiseshelllaughed␣one's␣head␣offleft␣someone␣hangingleptosphaeriaceousletters␣to␣the␣editorlet␣well␣enough␣alonelie␣at␣someone's␣heartmacroheterogeneitymagnesiohornblendemagnetothermopowermake␣a␣show␣of␣oneselfmakes␣oneself␣at␣homemake␣the␣road␣shortermake␣yourself␣at␣homemarine␣chronometersMayer-Norton␣theoremmechanicoreceptorsmechanonociceptivemechanoreceptorialmedulloepitheliomamember␣of␣lower␣housemember␣of␣upper␣housemetahemoglobinemiamethandrostenolonemethemoglobinaemiamethemoglobinaemicmethemoglobinemiasméthode␣champenoisemethoxycyclohexenemethylketobemidonemethylprednisolonemethylprogesteronemethyltestosteronemicroheterogeneitymicroheterogeneousmiddleoftheroaders middle-of-the-roadersmonoethylene␣glycolMother␣of␣Presidentsnegative␣lookbehindneoatherosclerosisneoatheroscleroticnephropathogenesisnephroureterectomyneuroendophenotypeneuroepitheliomataneuromorphogenesisneurophenomenologyneuroretinopathiesnineteen␣to␣the␣dozenno␣free␣lunch␣theoremnonectomesenchymalnonelectrochemicalnonelectrophoreticnonheteronormativenonheterosexualitynonparthenogeneticno␣peace␣for␣the␣wearyno␣rest␣for␣the␣wickednorth␣temperate␣zoneno␣skin␣off␣one's␣teethoctaethyleneglycolofficers␣of␣the␣peaceoffset␣overhand␣bendOld␣English␣Sheepdogoligoparaphenyleneopens␣the␣floodgatesoperations␣researchosteoarthrectomiesosteochemonecrosisother␣side␣of␣the␣coinoverhead␣projectorsoverplayed␣one's␣handpalaeoceanographerpalaeodemographiespalaeogeochemistrypalaeothermometerspaleobiogeographerpaleoceanographerspaleoherpetologistpaleomagnetospherepaleozoogeographerpaved␣the␣road␣to␣hellpaves␣the␣road␣to␣hellPembroke␣Welsh␣corgipennies␣on␣the␣dollarpentachlorobenzenepentadodecahedronsperchloroethylenesperfluorohexanoateperfluoropolyetherphaeomelanogenesisphaeosphaeriaceousphantom␣bone␣diseasephantom␣eye␣syndromepharmacoepigenomesphosphodiesterasesphosphoneoepitopesphosphonoselenoatephosphopantetheinephosphotriesterasephotodensitometersphotoelectric␣cells

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