7-letter words containing i, s, o, a
- ansonia — a city in SW Connecticut.
- anxious — If you are anxious to do something or anxious that something should happen, you very much want to do it or very much want it to happen.
- apophis — a demon serpent of darkness whom Ra, as sun god, destroys every morning at dawn.
- aporias — Plural form of aporia.
- apostil — a marginal note
- arausio — a town in SE France: a small principality in the Middle Ages, the descendants of which formed the House of Orange. Pop: 27 989 (1999)
- argolis — a department and ancient region of Greece, in the NE Peloponnese. Capital: Nauplion. Pop: 102 392 (2001). Area: 2261 sq km (873 sq miles)
- ariosos — Plural form of arioso.
- ariosto — Ludovico (ludoˈviːko). 1474–1533, Italian poet, famous for his romantic epic Orlando Furioso (1516)
- aristos — Plural form of aristo.
- arkosic — related to arkose
- asinico — an idiot or a fool
- asocial — avoiding contact; not gregarious
- astoria — a port in NW Oregon, near the mouth of the Columbia River: founded as a fur-trading post in 1811 by John Jacob Astor. Pop: 9660 (2003 est)
- astroid — a hypocycloid having four cusps
- atishoo — Atishoo is used, especially in writing, to represent the sound that you make when you sneeze.
- atomics — the scientific study of atoms
- atomies — an atom; mote.
- atomise — to reduce to atoms.
- atomism — an ancient philosophical theory, developed by Democritus and expounded by Lucretius, that the ultimate constituents of the universe are atoms
- atomist — An adherent of atomism; one who believes matter is composed of elementary indivisible particles.
- atonies — Pathology. lack of tone or energy; muscular weakness, especially in a contractile organ.
- atopies — Plural form of atopy.
- audions — an early type of triode.
- autoist — motorist.
- azotise — Non-Oxford British standard spelling of azotize.
- badious — chestnut coloured; brownish-red
- bagnios — Plural form of bagnio.
- barrios — Justo Rufino [hoo-staw roo-fee-naw] /ˈhu stɔ ruˈfi nɔ/ (Show IPA), 1835–85, Guatemalan statesman: president of Guatemala 1873–85.
- bastion — If a system or organization is described as a bastion of a particular way of life, it is seen as being important and effective in defending that way of life. Bastion can be used both when you think that this way of life should be ended and when you think it should be defended.
- biomass — the total number of living organisms in a given area, expressed in terms of living or dry weight per unit area
- biovars — a group of microorganisms, usually bacteria, that have identical genetic but different biochemical or physiological characters.
- boarish — coarse, cruel, or sensual
- bosnian — of or relating to Bosnia or its inhabitants
- caisson — a watertight chamber open at the bottom and containing air under pressure, used to carry out construction work under water
- carious — (of teeth or bone) affected with caries; decayed
- casinos — Plural form of casino.
- cassino — a card game for two to four players in which players pair cards from their hands with others exposed on the table
- castizo — (historical, under the caste system of colonial Latin America) The offspring of a European and a mestizo; someone of three quarters European and one quarter Amerindian ancestry.
- cations — Plural form of cation.
- celosia — any of several species (genus Celosia) of the amaranth family, of annual garden plants with minute, brilliant red or yellow flowers in large clusters; cockscomb
- chamiso — an evergreen shrub with yellow-green flowers native to the western United States
- chamois — Chamois are small animals rather like goats that live in the mountains of Europe and South West Asia.
- coalise — to form a coalition
- corsair — a pirate
- corsica — an island in the Mediterranean, west of N Italy: forms, with 43 islets, a region of France; mountainous; settled by Greeks in about 560 bc; sold by Genoa to France in 1768. Capital: Ajaccio. Pop: 265 999 (2003 est). Area: 8682 sq km (3367 sq miles)
- costain — Thomas Bertram, 1885–1965, U.S. novelist, historian, and editor, born in Canada.
- curiosa — curiosities
- daboias — Plural form of daboia.
- dacoits — Plural form of dacoit.