7-letter words containing o, s, t, r
- histrio — a stage actor
- hoister — to raise or lift, especially by some mechanical appliance: to hoist a flag; to hoist the mainsail.
- holster — a sheathlike carrying case for a firearm, attached to a belt, shoulder sling, or saddle.
- hooters — a person or thing that hoots.
- hornest — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
- hornets — Plural form of hornet.
- hornist — Someone who plays the horn (the musical instrument).
- hostler — a person who takes care of horses, especially at an inn.
- hotspur — Sir Henry ("Hotspur") 1364–1403, English military and rebel leader.
- hurston — Zora Neale [neel] /nil/ (Show IPA), 1891?–1960, U.S. author and folklorist.
- imports — Plural form of import.
- instore — an establishment where merchandise is sold, usually on a retail basis.
- intorts — Third-person singular simple present indicative form of intort.
- ironist — a person who uses irony habitually, especially a writer.
- isocrat — a government in which all individuals have equal political power.
- isotron — a device for separating small quantities of isotopes by ionizing them and separating the ions by a mass spectrometer
- ivorist — a worker in ivory
- jotters — Plural form of jotter.
- jouster — A person who jousts.
- lectors — Plural form of lector.
- lictors — Plural form of lictor.
- lobster — any of various large, edible, marine, usually dull-green, stalk-eyed decapod crustaceans of the family Homaridae, especially of the genus Homarus, having large, asymmetrical pincers on the first pair of legs, one used for crushing and the other for cutting and tearing: the shell turns bright red when cooked.
- loiters — Third-person singular simple present indicative form of loiter.
- looters — spoils or plunder taken by pillaging, as in war.
- maestro — an eminent composer, teacher, or conductor of music: Toscanini and other great maestros.
- marmots — Plural form of marmot.
- marston — John, c1575–1634, English dramatist and satirical poet.
- matrons — Plural form of matron.
- matross — an artilleryman who ranked below a gunner and who acted as a gunner's assistant, aiding in the loading and firing of guns
- mentors — Plural form of mentor.
- meteors — Plural form of meteor.
- missort — a particular kind, species, variety, class, or group, distinguished by a common character or nature: to develop a new sort of painting; nice people, of course, but not really our sort.
- mobster — a member of a criminal mob.
- moister — moderately or slightly wet; damp.
- monster — a legendary animal combining features of animal and human form or having the forms of various animals in combination, as a centaur, griffin, or sphinx.
- monstre — Obsolete form of monster.
- morisot — Berthe [bert] /bɛrt/ (Show IPA), 1841–95, French Impressionist painter.
- mortals — Plural form of mortal.
- mortars — Plural form of mortar.
- mortise — a notch, hole, groove, or slot made in a piece of wood or the like to receive a tenon of the same dimensions.
- mothers — Plural form of mother.
- mystory — (philosophy) A pedagogical genre encouraging the exploration of history as an open-minded individual rather than an analytical historian following institutional norms.
- nitroso — (especially of organic compounds) containing the nitroso group; nitrosyl.
- nitrous — pertaining to compounds obtained from niter, usually containing less oxygen than the corresponding nitric compounds.
- norstad — Lauris [lawr-is,, lohr-] /ˈlɔr ɪs,, ˈloʊr-/ (Show IPA), 1907–1988, U.S. Air Force general: Supreme Allied Commander of NATO 1956–63.
- nostril — either of the two external openings of the nose.
- nostrum — our sea, especially the Mediterranean to the ancient Romans.
- oastler — Richard. 1789–1861, British social reformer; he campaigned against child labour and helped achieve the ten-hour day (1847)
- oersted — Hans Christian [hahns kris-tyahn] /hɑns ˈkrɪs tyɑn/ (Show IPA), 1777–1851, Danish physicist.
- oestrum — Alternative spelling of estrum.