7-letter words containing o, a, s
- autobus — a motor vehicle which can carry a large group of passengers
- autoist — motorist.
- autopsy — An autopsy is an examination of a dead body by a doctor who cuts it open in order to try to discover the cause of death.
- avarous — (obsolete) Avaricious.
- avernos — a crater lake in S Italy, near Naples and the Tyrrhenian Sea, thought by ancients to be the entrance to the underworld.
- avocets — Plural form of avocet.
- avowals — Plural form of avowal.
- awesome — An awesome person or thing is very impressive and often frightening.
- azotise — Non-Oxford British standard spelling of azotize.
- azotous — nitrous, containing nitrogen
- azygous — developing or occurring singly
- azymous — unleavened
- baboons — Plural form of baboon.
- badious — chestnut coloured; brownish-red
- bagnios — Plural form of bagnio.
- balboas — Plural form of balboa.
- ballons — Plural form of ballon.
- ballots — Plural form of ballot.
- ballows — Plural form of ballow.
- bamboos — Plural form of bamboo.
- bandogs — Plural form of bandog.
- banjoes — Plural form of banjo.
- baobabs — Plural form of baobab.
- baoshan — a town in W Yunnan province, in S China, on the Burma Road.
- barotse — a member of a Negroid people of central Africa living chiefly in SW Zambia
- barrios — Justo Rufino [hoo-staw roo-fee-naw] /ˈhu stɔ ruˈfi nɔ/ (Show IPA), 1835–85, Guatemalan statesman: president of Guatemala 1873–85.
- barroso — José Manuel (ʒoˈse maˈnwɛl) born 1956, Portuguese politician; prime minister of Portugal (2002–04); president of the European Commission (2004–2014)
- barrows — Plural form of barrow.
- barstow — a city in S California.
- baryons — Plural form of baryon.
- basoche — a guild of medieval Parisian lawyers, granted the privilege of performing religious plays and known for abusing this privilege by performing comic plays instead
- basotho — a member of the subgroup of the Sotho people who chiefly inhabit Lesotho
- bassano — Jacopo [yah-kaw-paw] /ˈyɑ kɔ pɔ/ (Show IPA), (Giacomo da Ponte) 1510–92, Italian painter.
- bassoon — A bassoon is a large musical instrument of the woodwind family that is shaped like a tube and played by blowing into a curved metal pipe.
- 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.
- bastrop — a city in N Louisiana.
- batboys — Plural form of batboy.
- bateson — William, 1861–1926, English biologist and geneticist.
- bausond — (of animals) dappled with white spots on a black or bay background; esp having a white patch on the face
- bazooms — a woman's breasts
- beacons — a city in SE New York.
- belasco — David1853-1931; U.S. theatrical producer, playwright, & actor
- 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.
- blasto- — (in biology) indicating an embryo or bud or the process of budding
- boarish — coarse, cruel, or sensual
- boasted — to speak with exaggeration and excessive pride, especially about oneself.
- boaster — a chisel for boasting stone.
- bobstay — a strong stay between a bowsprit and the stem of a vessel for holding down the bowsprit
- bombast — Bombast is trying to impress people by saying things that sound impressive but have little meaning.