8-letter words containing o, a, s, i
- chaotics — (literature) A recent branch of literary and cultural studies based on chaos theory and the inherent structure of apparently chaotic systems.
- chariots — Plural form of chariot.
- chicanos — of or relating to Mexican-Americans or their culture.
- chitosan — a polysaccharide produced from chitin
- cimarosa — Domenico. 1749–1801, Italian composer, chiefly remembered for his opera buffa The Secret Marriage (1792)
- ciswoman — (LGBT) A cisgender woman, a woman who is biologically female.
- clarions — Plural form of clarion.
- classico — (of Italian wines) coming from the Chianti wine-growing region
- coalfish — a dark-coloured gadoid food fish, Pollachius virens, occurring in northern seas
- coamings — Plural form of coaming, especially all sides of a single coach roof, hatch, or cockpit.
- coarsish — quite coarse
- coassist — to assist jointly
- coasting — the land next to the sea; seashore: the rocky coast of Maine.
- coatings — Plural form of coating.
- cohabits — Third-person singular simple present indicative form of cohabit.
- coinages — the act, process, or right of making coins.
- colonias — (in the southwestern U.S.) a city neighborhood or a rural settlement inhabited predominantly by Mexicans or Mexican Americans.
- contains — Third-person singular simple present indicative form of contain.
- coquinas — Plural form of coquina.
- corbinas — Plural form of corbina.
- cordials — Plural form of cordial.
- corridas — Plural form of corrida.
- corsairs — Plural form of corsair.
- corsican — of or relating to Corsica or its inhabitants
- cosmical — of or relating to the cosmos: cosmic laws.
- coxswain — The coxswain of a lifeboat or other small boat is the person who steers the boat.
- cramoisy — of a crimson colour
- custodia — (rare) pyx (container for the host).
- cyanosis — a bluish-purple discoloration of skin and mucous membranes usually resulting from a deficiency of oxygen in the blood
- daimones — disembodied souls
- darioles — Plural form of dariole.
- davidson — Jo(seph)1883-1952; U.S. sculptor
- davisson — Clinton Joseph. 1881–1958, US physicist, noted for his discovery of electron diffraction; shared the Nobel prize for physics in 1937
- diabolos — Plural form of diabolo.
- diagnose — If someone or something is diagnosed as having a particular illness or problem, their illness or problem is identified. If an illness or problem is diagnosed, it is identified.
- diamonds — one of the four suits in an ordinary pack of cards bearing red lozenge-shapes symbols
- diapason — either of two stops (open and stopped diapason) usually found throughout the compass of a pipe organ that give it its characteristic tone colour
- diascope — an optical projector used to display transparencies
- diaspora — the dispersion of the Jews after the Babylonian and Roman conquests of Palestine
- diaspore — a white, yellowish, or grey mineral consisting of hydrated aluminium oxide in orthorhombic crystalline form, found in bauxite and corundum. Formula: AlO(OH)
- diastole — the dilatation of the chambers of the heart that follows each contraction, during which they refill with blood
- diazoles — Plural form of diazole.
- dilators — Plural form of dilator.
- dinosaur — any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals.
- diocesan — of or relating to a diocese.
- dionysia — The orgiastic Ancient Greek festivals seasonally held in honor of Dionysus, which evolved into Greek comedy and tragedy.
- dioptase — a mineral, hydrous copper silicate, CuSiO 3 ⋅H 2 O, occurring in emerald-green crystals.
- dioramas — Plural form of diorama.
- diplomas — Plural form of diploma.
- disadorn — To deprive of ornaments.