8-letter words containing o, a, s, i
- bigamous — A bigamous marriage is one in which one of the partners is already legally married to someone else.
- bimanous — (of man and the higher primates) having two hands distinct in form and function from the feet
- bioassay — a method of determining the concentration, activity, or effect of a change to substance by testing its effect on a living organism and comparing this with the activity of an agreed standard
- bioplasm — living matter; protoplasm
- bioplast — a very small unit of bioplasm
- biparous — producing offspring in pairs
- biramous — divided into two parts, as the appendages of crustaceans
- bismanol — a highly ferromagnetic alloy of bismuth and manganese, having a high degree of magnetic force.
- blastoid — a type of extinct echinoderm, which can be found in fossil form in regions of North America
- boardies — a pair of board shorts
- boarfish — any of various spiny-finned marine teleost fishes of the genera Capros, Antigonia, etc, related to the dories, having a deep compressed body, a long snout, and large eyes
- boasting — to speak with exaggeration and excessive pride, especially about oneself.
- boatslip — a docking place for a boat, as between wharves.
- bonavist — hyacinth bean.
- bostangi — a Turkish imperial guard
- botanist — A botanist is a scientist who studies plants.
- bovarism — an exaggerated, especially glamorized, estimate of oneself; conceit.
- boyarism — the rule of the boyars
- bozzaris — Marco [mahr-koh] /ˈmɑr koʊ/ (Show IPA), 1788?–1823, Greek patriot.
- broadish — fairly broad
- caesious — having a waxy bluish-grey coating
- caissons — Plural form of caisson.
- calicoes — Plural form of calico.
- callisto — a nymph who attracted the love of Zeus and was changed into a bear by Hera. Zeus then set her in the sky as the constellation Ursa Major
- calories — Thermodynamics. Also called gram calorie, small calorie. an amount of heat exactly equal to 4.1840 joules. Abbreviation: cal. (usually initial capital letter) kilocalorie. Abbreviation: Cal.
- calorist — a believer in caloric theory
- camisado — (formerly) an attack made under cover of darkness
- camisole — A camisole is a short piece of clothing that women wear on the top half of their bodies underneath a shirt or blouse, for example.
- campions — Plural form of campion.
- cannolis — Plural form of cannoli.
- canoeist — A canoeist is someone who is skilled at racing and performing tests of skill in a canoe.
- canonise — Ecclesiastical. to place in the canon of saints.
- canonist — a specialist in canon law
- canopies — Plural form of canopy.
- cantoris — (in antiphonal music) to be sung by the cantorial side of a choir
- caodaism — an eclectic religion, originated in Cochin-China in 1926, combining Buddhist, Taoist, and Confucianist elements and affected to some extent by Christianity.
- capitols — Plural form of capitol.
- captions — Plural form of caption.
- captious — apt to make trivial criticisms; fault-finding; carping
- caribous — Plural form of caribou.
- carioles — Plural form of cariole.
- carotids — Plural form of carotid.
- cassiope — (sometimes initial capital letter) any evergreen shrub belonging to the genus Cassiope, of the heath family, having nodding white or pinkish solitary flowers and scalelike or needlelike leaves.
- castilho — Antonio Feliciano de [ahn-taw-n-yoo fuh-lees-yah-noo] /ɑ̃ˈtɔˈn yu fə lisˈyɑ nu/ (Show IPA), 1800–75, Portuguese poet.
- castillo — Antonio [ahn-taw-nyaw] /ɑnˈtɔ nyɔ/ (Show IPA), (Antonio Cánovas del Castillo del Rey) 1908–1984, Spanish fashion designer.
- castiron — Alternative spelling of cast iron.
- castizos — Plural form of castizo.
- cautions — alertness and prudence in a hazardous situation; care; wariness: Landslides ahead—proceed with caution.
- cautious — Someone who is cautious acts very carefully in order to avoid possible danger.
- chamisos — Plural form of chamiso.