7-letter words containing o, s
- acerous — having no antennae.
- acetose — Sour like vinegar; acetous.
- acetous — containing, producing, or resembling acetic acid or vinegar
- acheson — Dean (Gooderham). 1893–1971, US lawyer and statesman: secretary of state (1949–53) under President Truman
- acinose — consisting of acini.
- acinous — consisting of acini.
- acouasm — a nonverbal auditory hallucination, as a ringing or hissing.
- acousma — acouasm.
- actions — an independent agency created in 1971 to administer domestic volunteer programs.
- adagios — Plural form of adagio.
- addison — Joseph. 1672–1719, English essayist and poet who, with Richard Steele, founded The Spectator (1711–14) and contributed most of its essays, including the de Coverley Papers
- adipose — of, resembling, or containing fat; fatty
- adjoins — Third-person singular simple present indicative form of adjoin.
- adnouns — Plural form of adnoun.
- adonais — Hebrew. a title of reverence for God, serving also as a substitute pronunciation of the Tetragrammaton.
- adonias — a son of David, put to death at the order of Solomon. II Sam. 3:4; I Kings 2:19–25.
- adorers — Plural form of adorer.
- adsorbs — Third-person singular simple present indicative form of adsorb.
- advisor — one who gives advice.
- aeneous — brass-coloured or greenish-gold
- aerobes — Plural form of aerobe.
- aerobus — a type of monorail that is suspended by an overhead cable
- aerosat — a communications satellite used in air-traffic control and maritime navigation
- aerosol — An aerosol is a small container in which a liquid such as paint or deodorant is kept under pressure. When you press a button, the liquid is forced out as a fine spray or foam.
- aesopic — of, relating to, or characteristic of Aesop or his fables: a story that points an Aesopian moral.
- aetolus — son of Endymion and founder of Aetolia.
- affords — to be able to do, manage, or bear without serious consequence or adverse effect: The country can't afford another drought.
- aftmost — furthest aft; furthest towards the rear; rearmost
- agamous — agamic
- agarose — a polysaccharide gelatinous substance usually extracted from agar, used mainly in agarose gel electrophoresis and in microbial cultures
- agistor — a person who grazes cattle for money
- agnosia — loss or diminution of the power to recognize familiar objects or people, usually as a result of brain damage
- agogics — Music. stress given to a note through prolonged duration.
- agonies — extreme and generally prolonged pain; intense physical or mental suffering.
- agonise — to suffer extreme pain or anguish; be in agony.
- agonism — Competitive struggle (especially political).
- agonist — any muscle that is opposed in action by another muscle
- agoutis — Plural form of agouti.
- agynous — (botany) Without female organs; male.
- airhose — a hose for conducting air under pressure, as one connected to an air pump, an air brake, or a scuba tank.
- airpost — the system of delivering mail by air; airmail
- airshot — aircheck
- airshow — An airshow is an event at which aeroplane pilots entertain the public by performing very skilful and complicated movements with the aircraft in the sky.
- airsoft — A modern combat sport in which participants eliminate their opponents by hitting them with spherical non-metallic pellets launched from a compressed-air gun.
- airstop — a landing place for helicopters
- alagoas — a state in NE Brazil, on the Atlantic coast. Capital: Maceió. Pop: 2 887 535 (2002). Area: 30 776 sq km (11 031 sq miles)
- alastor — an avenging spirit or demon
- albedos — Plural form of albedo.
- albinos — Plural form of albino.
- alcoves — Plural form of alcove.