7-letter words containing i, s, o, a
- onanism — withdrawal of the penis in sexual intercourse so that ejaculation takes place outside the vagina; coitus interruptus.
- onanist — withdrawal of the penis in sexual intercourse so that ejaculation takes place outside the vagina; coitus interruptus.
- onassis — Aristotle Socrates, 1906–75, Greek businessman, born in Turkey.
- onitsha — a city in SW Nigeria, on the Niger River.
- opiates — Plural form of opiate.
- oralism — the theory, practice, or advocacy of education for the deaf chiefly or exclusively through lipreading, training in speech production, and training of residual hearing.
- oralist — an advocate of oralism.
- ordains — Third-person singular simple present indicative form of ordain.
- orgiast — One who celebrates orgies.
- osirian — the king and judge of the dead, the husband and brother of Isis, and father (or brother) of Horus, killed by Set but later resurrected (after Horus killed Set): usually depicted as a man, partly wrapped as a mummy, having a beard and wearing the atef-crown.
- osman i — 1259–1326, Turkish sultan; founder of the Ottoman Empire
- osmanli — an Ottoman.
- osmatic — of or relating to the sense of smell.
- ossetia — a region in Caucasia: divided between North Ossetia of the Russian Federation and the South Ossetian Autonomous Region of the Georgian Republic.
- osteria — An Italian restaurant, typically a simple or inexpensive one.
- ostiary — Also called doorkeeper, porter. Roman Catholic Church. a member of the lowest-ranking of the four minor orders. the order itself. Compare acolyte (def 2), exorcist (def 2), lector (def 2).
- ostiate — characterized by having ostia
- ouraris — curare.
- outsail — to outdo in sailing; sail farther, more skillfully, or faster than.
- ovaries — Anatomy, Zoology. the female gonad or reproductive gland, in which the ova and the hormones that regulate female secondary sex characteristics develop.
- oxidase — any of a class of oxidoreductases that catalyze the oxidation of a substrate by molecular oxygen with the formation, in most cases, of hydrogen peroxide.
- paisano — paisan.
- parison — a partially shaped mass of molten glass.
- parotis — a parotid gland
- passion — any powerful or compelling emotion or feeling, as love or hate.
- picasso — Pablo [pah-bloh;; Spanish pah-vlaw] /ˈpɑ bloʊ;; Spanish ˈpɑ vlɔ/ (Show IPA), 1881–1973, Spanish painter and sculptor in France.
- pistoia — a city in N Tuscany, in N Italy.
- polaris — a distinctive English argot in use since at least the 18th century among groups of theatrical and circus performers and in certain homosexual communities, derived largely from Italian, directly or through Lingua Franca.
- prosaic — commonplace or dull; matter-of-fact or unimaginative: a prosaic mind.
- rations — a fixed allowance of provisions or food, especially for soldiers or sailors or for civilians during a shortage: a daily ration of meat and bread.
- romains — Jules [zhyl] /ʒül/ (Show IPA), (Louis Farigoule) 1885–1972, French novelist, poet, and dramatist.
- rosalia — scarlet fever
- rosalie — a female given name: from a Latin word meaning rose festival.
- rosario — a port in E Argentina, on the Paraná River.
- roscian — of, relating to, or involving acting.
- rossiya — Russian name of Russia.
- sadiron — Northern, North Midland, and Western U.S. Older Use. a flatiron that is pointed at both ends and has a detachable handle.
- saintlo — a department in NW France. 2476 sq. mi. (6413 sq. km). Capital: Saint-Lô.
- saionji — Kimmochi [keem-maw-chee] /ˈkim mɔˌtʃi/ (Show IPA), 1849–1940, Japanese statesman.
- saligot — the water chestnut, Trapa natans
- sampaio — Jorge, 1939–2010, president of Portugal 1996–2006.
- sandino — Augusto (César) [ou-goos-taw se-sahr] /aʊˈgus tɔ ˈsɛ sɑr/ (Show IPA), 1893–1934, Nicaraguan revolutionary leader.
- sanious — characterized by the discharge of sanies.
- saponin — any of a group of amorphous glycosides of terpenes and steroids, occurring in many plants, characterized by an ability to form emulsions and to foam in aqueous solutions, and used as detergents.
- sarcoid — a growth resembling a sarcoma.
- saticon — a high-resolution television camera tube used when high definition is required
- sauroid — a type of fish
- sautoir — a ribbon, chain, scarf, or the like, tied around the neck in such a manner that the ends cross over each other.
- saviour — a person who saves, rescues, or delivers: the savior of the country.
- scoriae — Metallurgy. the refuse, dross, or slag left after melting or smelting metal; scum.