15-Letter Words Starting With HY

There are 64 15-letter words that start with HY. 7 are common words, such as HYDROCEPHALUSES and HYPERACTIVITIES. A rarer one is HYSTERECTOMIZED. 8 words contain a doubled letter.

Full list 64

Common words

hydrocephaluseshyperactivitieshypercriticallyhyperthyroidismhyperventilatedhyperventilateshypothyroidismshydrocortisoneshydrodynamicisthydrometallurgyhydrostaticallyhypercatalectic
hydrocephaluseshyperactivitieshypercriticallyhyperthyroidismhyperventilatedhyperventilateshypothyroidismshydrocortisoneshydrodynamicisthydrometallurgyhydrostaticallyhypercatalectichypercorrectionhyperextensionshypnotherapistshypochondriacalhypochondriaseshypochondriasishypopituitarismhydrobiologicalhydrobiologistshydromechanicalhydroxyapatiteshydroxylapatitehydroxyprolineshyperaesthesiashyperaggressivehypercatabolismhypercoagulablehypercriticismshyperexcitementhyperexcretionshyperfastidioushyperfunctionalhyperimmunizinghyperinflationshyperinsulinismhyperinvolutionhyperlipidemiashypermetabolismhypermobilitieshypermodernistshypermutabilityhyperparasitismhyperpolarizinghyperproductionhyperreactivityhyperresponsivehypersalinitieshypersalivationhypersecretionshypersensitizedhypersensitizeshypersomnolencehyperstimulatedhyperstimulateshypertonicitieshypervelocitieshypervigilanceshypnotizabilityhypomagnesemiashyposensitizinghypostatizationhysterectomized

About this list

Words
64 (7 common words)
Common example
hydrocephaluses
Rare example
hysterectomized
Doubled letters
8
Ending in S
28

Questions

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

64. 7 of them are common words.

What is a common example?

HYDROCEPHALUSES is among the common words in this set.