12-letter words containing o, u, a, n, i
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it
- boatbuilding — Boatbuilding is the craft or industry of making boats.
- boudin blanc — a boiled sausage made with light-colored meat, as veal or chicken, and without blood
- bougainville — an island in the W Pacific, in Papua New Guinea: the largest of the Solomon Islands: unilaterally declared independence in 1990; occupied by government troops in 1992, and granted autonomy in 2001. Chief town: Kieta. Area: 10 049 sq km (3880 sq miles)
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- brain tumour — a tumour that is situated in the brain
- bring around — If you bring someone around when they are unconscious, you make them become conscious again.
- buccolingual — of or relating to the cheek and tongue.
- bud mutation — a variation produced by a genetic alteration in the bud such that the seeds produced by the resulting growth perpetuate the change in succeeding generations.
- buenos aires — the capital of Argentina, a major port and industrial city on the Río de la Plata estuary: became capital in 1880; university (1821). Pop: 13 349 000 (2005 est)
- bunco artist — a confidence trickster or con artist
- buoyancy aid — a type of usually foam-filled lifejacket designed for use in sports such as canoeing
- burial mound — a barrow
- burkina faso — an inland republic in W Africa: dominated by Mossi kingdoms (10th–19th centuries); French protectorate established in 1896; became an independent republic in 1960; consists mainly of a flat savanna plateau. Official language: French; Mossi and other African languages also widely spoken. Religion: mostly animist, with a large Muslim minority. Currency: franc. Capital: Ouagadougou. Pop: 17 812 961 (2013 est). Area: 273 200 sq km (105 900 sq miles)
- button quail — any small quail-like terrestrial bird of the genus Turnix, such as T. sylvatica (striped button quail), occurring in tropical and subtropical regions of the Old World: family Turnicidae, order Gruiformes (cranes, rails, etc)
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- cacophonious — cacophonous
- calculations — Plural form of calculation.
- calumniation — to make false and malicious statements about; slander.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- calumniously — in a calumnious manner
- camouflaging — Present participle of camouflage.
- cape sounion — Cape, a cape in E central Greece, SE of Athens, at the tip of the Attica peninsula, in W Aegean Sea.
- capitulation — the act of capitulating
- captiousness — The state of being captious.
- carillonneur — a person who plays a carillon
- carnivourous — Misspelling of carnivorous.
- catamountain — any of several wildcats, esp. the leopard or the European wildcat
- cater-cousin — a close friend
- causationism — the theory of universal causation
- causationist — a person who believes in the theory of universal causation
- cautiousness — showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom.
- centuriation — the process or act of dividing land into centuries or equal areas undertaken by the Romans
- changchiakou — Zhangjiakou
- cheluviation — the leaching of chelates through soil
- chincoteague — a town on a small island in a lagoon (Chincoteague Bay) in E Virginia: annual wild pony roundup.
- chinhuangtao — a seaport in NE Hebei province, in NE China, on the Bohai.
- cinnamon bun — a honey bun flavored with cinnamon and often containing raisins.
- circulations — Plural form of circulation.
- claudication — limping; lameness
- claustration — the act of confining to a small space (usually a cloister)
- coal-burning — fuelled by burning coal
- cocaine bust — an arrest for the possession of cocaine
- colliquation — liquefaction
- colluctation — a struggle or conflict
- coloquintida — colocynth (defs 1, 2).
- colourations — Plural form of colouration.
- columnarized — columnar (def 3).
- columniation — the arrangement of architectural columns