18 Letter Words Starting With H

Every 18-letter word that starts with the letter H, in alphabetical order. Tap any word for its definitions, syllables and game scores.

ALL WORDS A TO Z
haastia pulvinaris25habenaria dilatata23habenaria psycodes30haberdashery store29haemoconcentration27haemolytic anaemia29haemorrhagic fever34haemulon malanurum26hairbreadth escape30hairy finger grass27hairy golden aster24halesia tetraptera22half-discriminated29half-fascinatingly32half-insinuatingly27half-instinctively31half-misunderstood27half-questioningly36half-shakespearean32halftone engraving28haliatus albicilla24hall's honeysuckle31halle-an-der-saale19hamamelis vernalis27hand-held computer30handicapped person30handicraft economy33handicraftsmanship34handkerchief table35handwriting expert34harlan fiske stone26harlem renaissance24harnessed antelope23hart's-tongue fern22hartshorn plantain25harvard university30harvester-thresher29hashemi rafsanjani35hastings-on-hudson24hatchet planimeter29head cabbage plant29head for the hills28head-in-the-clouds25headquarters staff36hearing impairment27heart-leaved aster23heart-lung machine27heated imagination24hebdomadal council30hegelian dialectic26heitor villa-lobos24helen adams keller26helen hunt jackson35helenium autumnale24helenium puberulum28helicopter gunship30heliobacter pylori29heliographic chart33helleborus viridis26helmholtz function39heloderma horridum29helterskelteriness25helxine soleirolia27hemangioma simplex36hemerocallis flava30hemianopic scotoma30hemidemisemiquaver40hemipterous insect26hemorrhagic plague31hemorrhagic stroke32henri van de velde26henrik johan ibsen35henry le chatelier27henry louis gehrig27henry ward beecher33henry wheeler shaw34heptadecanoic acid30hereditary disease25hereditary pattern26hermaphrodite brig31hermaphrodite duct31hermaphroditically34hero of alexandria30heteranthera dubia26heterofermentative29heteroscedasticity29heuchera americana29heuchera sanguinea26hevea brasiliensis25hexadecimal system37hibiscus moschatus31hibiscus mutabilis28hibiscus tiliaceus26hideyoshi toyotomi32highbush cranberry36higher mathematics33highland cranberry32highlight halftone34highly respectable33hilary of poitiers27himalaya mountains27hippocrepis comosa32hirudo medicinalis26hirundo pyrrhonota29histamine headache31histocompatibility32histomorphological31histophysiological32historical geology27historical painter24historical present24history department28hither and thither29hold communication29holy roman emperor28homarus americanus26home equity credit36homobasidiomycetes33homologous vaccine30homopterous insect26honest-to-goodness21honeycomb radiator30honeycomb ringworm35honeysuckle family37horatio hornblower28horizontal section31horizontal surface34horned rattlesnake25horseless carriage23horsetail milkweed30horsetail mushroom27hospital attendant23hospital occupancy33hostile expedition30hot stuffed tomato28hot-rock penstemon29hottonia palustris22houghton-le-spring26house of burgesses25house of detention23house of lancaster24household suffrage31hubble's parameter27hudsonia ericoides24hudsonia tomentosa23human paleontology28human relationship27humiliate yourself28humulus americanus26hundred years' war26hunting expedition31hydnocarpus kurzii41hydraulic coupling31hydraulic engineer27hydraulic tailgate27hydrocarbon cement32hydrodamalis gigas29hydroflumethiazide43hydrogen carbonate29hydrogen electrode28hydrogen telluride26hydrographic chart37hydromantes brunus28hydrometallurgical30hydrothermal water32hydroxyacetic acid41hydroxychloroquine49hygrotrama foetens29hylocichla guttata31hymenaea courbaril29hyoscyamus muticus34hyperaldosteronism29hyperbaric chamber38hyperbaric therapy37hyperbilirubinemia32hyperbrachycephaly46hypercholesteremia33hypercholesterolia31hypercoagulability34hyperconcentration30hyperconscientious30hyperexcitableness37hypermetamorphosis35hyperorthognathous33hyperpatriotically33hypersensitiveness29hypersensitization35hypersophisticated34hypochromic anemia36hypodermic syringe34hypodynamia cordis34hypogastric artery31hypogastric plexus37hypoglycemic agent36hypoparathyroidism37hypophysectomizing48hypoplastic anemia31hyposulfurous acid31hyssop loosestrife28hysterical aphonia30
18 LETTER WORDS BY FIRST LETTER26
H WORDS BY LENGTH14
See the bigger listsAll 18 letter words, or every word starting with H.
18 letter words Words starting with H
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