15-Letter Words Starting With H

There are 133 15-letter words that start with H. 29 are common words, such as HALFHEARTEDNESS and HALLUCINOGENICS. A rarer one is HYSTERECTOMIZED. 39 words contain a doubled letter.

Full list 133

Common words

halfheartednesshallucinogenicshaphazardnesseshardheartednessharpsichordistshealthfulnessesheartlessnessesheartsicknessesheterogeneitiesheterogeneouslyheterosexualityhilariousnesses
halfheartednesshallucinogenicshaphazardnesseshardheartednessharpsichordistshealthfulnessesheartlessnessesheartsicknessesheterogeneitiesheterogeneouslyheterosexualityhilariousnesseshistoriographerhomogenizationshomosexualitieshonorablenesseshorticulturistshospitalizationhotheadednesseshumanitarianismhumidificationshumorlessnesseshydrocephaluseshyperactivitieshypercriticallyhyperthyroidismhyperventilatedhyperventilateshypothyroidismshallucinationalhamamelidaceousheartbreakinglyheliocentricityhendecasyllablehereditarianismhermaphroditismhermeneuticallyheterochromaticheterochromatinhexachlorophenehexylresorcinolhierarchizationhistocompatiblehistoriographicholographicallyhomeopathicallyhomogeneousnesshorizontalitieshorticulturallyhousemistresseshydrocortisoneshydrodynamicisthydrometallurgyhydrostaticallyhypercatalectichypercorrectionhyperextensionshypnotherapistshypochondriacalhypochondriaseshypochondriasishypopituitarismhabitablenesseshazardousnessesheadmastershipsheliometricallyhelminthologieshemagglutinatedhemagglutinateshematoporphyrinhemochromatoseshemochromatosishemodynamicallyhemoflagellateshemoglobinuriashendecasyllabicheteromorphismsheterothallismshexachlorethanehexosaminidaseshistochemicallyhistopathologichistophysiologyholometabolismshomogenisationshomotransplantshouselessnesseshousewifelinesshydrobiologicalhydrobiologistshydromechanicalhydroxyapatiteshydroxylapatitehydroxyprolineshyperaesthesiashyperaggressivehypercatabolismhypercoagulablehypercriticismshyperexcitementhyperexcretionshyperfastidioushyperfunctionalhyperimmunizinghyperinflationshyperinsulinismhyperinvolutionhyperlipidemiashypermetabolismhypermobilitieshypermodernistshypermutabilityhyperparasitismhyperpolarizinghyperproductionhyperreactivityhyperresponsivehypersalinitieshypersalivationhypersecretionshypersensitizedhypersensitizeshypersomnolencehyperstimulatedhyperstimulateshypertonicitieshypervelocitieshypervigilanceshypnotizabilityhypomagnesemiashyposensitizinghypostatizationhysterectomized

About this list

Words
133 (29 common words)
Common example
halfheartedness
Rare example
hysterectomized
Doubled letters
39
Ending in S
66

Questions

How many 15-letter words starting with h are there?

133. 29 of them are common words.

What is a common example?

HALFHEARTEDNESS is among the common words in this set.