9-letter words containing o, n, s, t
- gyrations — Plural form of gyration.
- hailstone — a pellet of hail.
- halftones — Plural form of halftone.
- hamiltons — Plural form of hamilton.
- hansetown — Hansa (def 3).
- hardstone — (arts) precious stone or semi-precious stone used to make intaglio, mosaics etc.
- harmonist — a member of a celibate religious sect that emigrated from Germany to Pennsylvania in 1803.
- hartshorn — the antler of a hart, formerly used as a source of ammonia.
- have-nots — people who are very poor
- hawthorns — Plural form of hawthorn.
- headnotes — Plural form of headnote.
- headstone — a stone marker set at the head of a grave; gravestone.
- hedonists — Plural form of hedonist.
- heptagons — Plural form of heptagon.
- hessonite — essonite.
- himations — Plural form of himation.
- historian — an expert in history; authority on history.
- hoarstone — A stone designating the bounds of an estate; a landmark.
- holliston — a city in NE Massachusetts.
- holystone — a block of soft sandstone used in scrubbing the decks of a ship.
- homestand — (baseball) A series of games played at a team's home field.
- hometowns — Plural form of hometown.
- honestest — (nonstandard) Superlative form of honest.
- honesties — Plural form of honestie.
- honeworts — Plural form of honewort.
- honeypots — Plural form of honeypot.
- hornpouts — Plural form of hornpout.
- hornstone — a variety of quartz resembling flint.
- horntails — Plural form of horntail.
- hornworts — Plural form of hornwort.
- horsemint — a wild mint, Mentha longifolia, introduced into America from Europe, having spikes of lilac flowers.
- hortensia — Hydrangea.
- hostaging — a person given or held as security for the fulfillment of certain conditions or terms, promises, etc., by another.
- hot pants — (used with a plural verb) very brief and usually tight-fitting shorts for women and girls, first popularized in the early 1970s.
- houstonia — any North American plant, belonging to the genus Houstonia, of the madder family, especially H. caerulea, the common bluet.
- huguenots — a member of the Reformed or Calvinistic communion of France in the 16th and 17th centuries; a French Protestant.
- hutcheson — Francis. 1694–1746, Scottish philosopher: he published books on ethics and aesthetics, including System of Moral Philosophy (1755)
- hymnodist — the singing or the composition of hymns or sacred songs.
- hypnotics — Plural form of hypnotic.
- hypnotise — to put in the hypnotic state.
- hypnotism — the science dealing with the induction of hypnosis.
- hypnotist — the science dealing with the induction of hypnosis.
- hyponasty — increased growth along the lower surface of a plant or plant part, causing it to bend upward.
- hypotonus — Hypotonia.
- ice tongs — a small pair of tongs for serving ice cubes.
- ideations — Plural form of ideation.
- ignorants — Plural form of ignorant.
- ignostics — Plural form of ignostic.
- illations — Plural form of illation.
- imposting — a tax; tribute; duty.