8-letter words containing o, a, s, i
- arguidos — Plural form of arguido.
- aridisol — a soil type common to the world's deserts, poor in organic matter and rich in salts.
- armoires — Plural form of armoire.
- armories — (US) Plural form of armory.
- armorist — a heraldry expert
- arousing — causing sexual excitement
- arsonist — An arsonist is a person who deliberately sets fire to a building or vehicle.
- asconoid — pertaining to or resembling an ascon.
- ascorbic — Of or pertaining to ascorbic acid or its derivatives.
- assiento — a slave trade treaty between other countries and Spain which allowed other countries to supply slaves to Spanish dependencies or colonies
- assignor — a person who transfers or assigns property
- assistor — to give support or aid to; help: Please assist him in moving the furniture.
- assoiled — Simple past tense and past participle of assoil.
- asterion — (anatomy) The point on the side of the skull corresponding to the posterior end of the parietomastoid suture.
- asteroid — An asteroid is one of the very small planets that move around the sun between Mars and Jupiter.
- astonied — stunned; dazed
- astonish — If something or someone astonishes you, they surprise you very much.
- astroids — Plural form of astroid.
- asuncion — the capital and chief port of Paraguay, on the Paraguay River, 1530 km (950 miles) from the Atlantic. Pop: 1 750 000 (2005 est)
- atchison — a city in NE Kansas, on the Missouri River.
- atkinson — Sir Harry Albert. 1831–92, New Zealand statesman, born in England: prime minister of New Zealand (1876–77; 1883–84; 1887–91)
- atomised — to reduce to atoms.
- atomiser — Modern commonwealth spelling of 'atomizer'.
- atomises — Third-person singular simple present indicative form of atomise.
- atomizes — Third-person singular simple present indicative form of atomize.
- atosiban — (medicine) A medication, that inhibits oxytocin and vasopressin, used to halt premature labour.
- atropism — a condition caused by using atropine over a period of time
- auctions — Plural form of auction.
- auditors — Plural form of auditor.
- ausonius — Decimus Magnus (ˈdɛsɪməs ˈmæɡnəs). ?310–?395 ad, Latin poet, born in Gaul
- autolisp — (language) A dialect of Lisp used by the Autocad CAD package from Autodesk.
- autopsic — relating to autopsy
- aversion — If you have an aversion to someone or something, you dislike them very much.
- aviators — Plural form of aviator.
- avionics — Avionics is the science of electronics used in aviation.
- avoiders — Plural form of avoider.
- avoision — the non-payment of tax which cannot be classified as either avoidance or evasion
- avulsion — a forcible tearing away or separation of a bodily structure or part, either as the result of injury or as an intentional surgical procedure
- baconism — of or relating to the philosopher Francis Bacon or his doctrines.
- bailouts — Plural form of bailout.
- bambinos — Plural form of bambino.
- banjoist — a musical instrument of the guitar family, having a circular body covered in front with tightly stretched parchment and played with the fingers or a plectrum.
- baronies — Plural form of barony.
- basildon — a town in SE England, in S Essex: designated a new town in 1955. Pop: 99 876 (2001)
- basophil — (of cells or cell contents) easily stained by basic dyes
- bastions — Plural form of bastion.
- bavarois — Bavarian cream.
- baziotes — William, 1912–63, U.S. painter.
- bedsonia — a former name for the genus of bacteria now called Chlamydia
- bifocals — Bifocals are glasses with lenses made in two halves. The top part is for looking at things some distance away, and the bottom part is for reading and looking at things that are close.