12-letter words containing o, n, s, h, r, t
- grandmothers — Plural form of grandmother.
- ground sloth — any of various extinct large, edentate mammals from the Pleistocene Epoch of North and South America resembling modern sloths but living on the ground rather than in trees.
- groundsheets — Plural form of groundsheet.
- gynantherous — having the stamens converted into pistils by the action of frost, disease, or insects.
- harmoniumist — a person who plays a harmonium
- harvest moon — the moon at and about the period of fullness that is nearest to the autumnal equinox.
- headstrongly — In a headstrong manner.
- hearthstones — Plural form of hearthstone.
- heldentenors — Plural form of heldentenor.
- heptahedrons — Plural form of heptahedron.
- hernioplasty — an operation for the repair of a hernia.
- herstmonceux — a village in S England, in E Sussex north of Eastbourne: 15th-century castle, site of the Royal Observatory, which was transferred from Greenwich between 1948 and 1958, until 1990
- heterogenous — having its source or origin outside the organism; having a foreign origin.
- heterogonous — Botany. of or relating to monoclinous flowers of two or more kinds occurring on different individuals of the same species, the kinds differing in the relative length of stamens and pistils (opposed to homogonous).
- heterogynous — having females of two different kinds, one sexual and the other abortive or neuter, as ants.
- heteronomous — subject to or involving different laws.
- heteronymous — of, relating to, or characteristic of a heteronym.
- heteroousian — a person who believes the Father and the Son to be unlike in substance or essence; an Arian (opposed to Homoousian).
- hibernations — Plural form of hibernation.
- high treason — treason against the sovereign or state.
- hindforemost — with the back part in the front place
- histrionical — (British) Alternative form of histrionic.
- holothurians — Plural form of holothurian.
- hominy grits — grits (def 1).
- honor system — a system whereby the students at a school, the inmates in a prison, etc., are put on their honor to observe certain rules in order to minimize administrative supervision or to promote honesty.
- honours list — annual list of persons given royal awards
- horse nettle — a large, prickly North American weed, Solanum carolinense, of the nightshade family, having violet to white flowers in a few clusters.
- host country — nation staging an international event
- house hunter — a person who house-hunts
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hypertension — Pathology. elevation of the blood pressure, especially the diastolic pressure. an arterial disease characterized by this condition.
- hypoplastron — the third lateral plate in the plastron of turtles
- hysterogenic — inducing hysteria.
- hysteromania — unusually increased sexual desire in a woman
- in the gross — in bulk; as a whole
- in the works — exertion or effort directed to produce or accomplish something; labor; toil.
- intergrowths — Plural form of intergrowth.
- introvertish — Introverted.
- ionospherist — Someone who studies the ionosphere.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- joseph brant — Joseph (Thayendanegea) 1742–1807, Mohawk Indian chief who fought on the side of the British in the American Revolution.
- khornerstone — A multipurpose benchmark from Workstation Labs used in various periodicals. The source is not free. Results are published in "UNIX Review".
- last honours — observances of respect at a funeral
- lycanthropes — Plural form of lycanthrope.
- marshalltown — a city in central Iowa.