12-letter words containing h, e, r, o, i
- white-collar — belonging or pertaining to the ranks of office and professional workers whose jobs generally do not involve manual labor or the wearing of a uniform or work clothes.
- white-ground — pertaining to or designating a style of vase painting developed in Greece from the 6th to the 4th centuries b.c., characterized chiefly by a white background of slip onto which were painted polychromatic figures.
- whitethroats — Plural form of whitethroat.
- whole sister — a sister whose parents are the same as one's own.
- wigglesworth — Michael, 1631–1705, U.S. theologian and author, born in England.
- wigtownshire — a historic county in SW Scotland.
- winged horse — the constellation Pegasus.
- withersoever — To wherever, to anywhere.
- wolf herring — a voracious clupeoid fish, Chirocentrus dorab, inhabiting the tropical Indian and Pacific oceans.
- wonder child — an unusually intelligent or talented child; prodigy; wunderkind.
- woodchippers — Plural form of woodchipper.
- wordsmithery — the craft or skill of a wordsmith
- xanthopterin — a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
- yellow birch — a North American birch, Betula alleghaniensis (or B. lutea), having yellowish or silvery gray bark.
- zoochemistry — the branch of chemistry dealing with the constituents of the animal body; animal chemistry.