9-letter words containing a, u, s, o
- bifarious — having parts arranged in two rows on either side of a central axis
- blast out — If music or noise is blasting out, loud music or noise is being produced.
- boathouse — A boathouse is a building at the edge of a lake, in which boats are kept.
- bodacious — If you say that someone or something is bodacious, you mean that they are very good or impressive.
- bosanquet — Bernard, 1848–1923, English philosopher and writer.
- bourasque — a tempest
- bush coat — a belted, hip-length, shirtlike jacket, usually with four patch pockets and a notched collar, adapted from the hunting coat customarily worn in the African bush.
- bush road — a rough road cut through forested land usually to serve a lumbering, mining, or other commercial company.
- bushwoman — a woman who lives in the bush
- cabassous — Plural form of cabassou.
- calabogus — a mixed drink containing rum, spruce beer, and molasses
- calculose — calculous
- calculous — of or suffering from a calculus
- calloused — A foot or hand that is calloused is covered in calluses.
- callouses — made hard; hardened.
- callously — made hard; hardened.
- cancerous — Cancerous cells or growths are cells or growths that are the result of cancer.
- cankerous — having cankers
- canonicus — c1565–1647, Narragansett leader: yielded Rhode Island to Roger Williams 1636.
- capacious — Something that is capacious has a lot of space to put things in.
- carbonous — of, containing, or derived from carbon.
- carcajous — Plural form of carcajou.
- carnosaur — any of various large carnivorous bipedal dinosaurs of the group Carnosauria, including the allosaurs
- carousals — Plural form of carousal.
- carousels — A merry-go-round.
- carousing — to engage in a drunken revel: They caroused all night.
- carrousel — carousel
- casebound — bound in hard covers.
- cassoulet — a stew originating from France, made from haricot beans and goose, duck, pork, etc
- castoreum — the oil secreted from the beaver which is used as bait by trappers
- cathouses — Plural form of cathouse.
- caucasoid — denoting, relating to, or belonging to the lighter-complexioned supposed racial group of mankind, which includes the peoples indigenous to Europe, N Africa, SW Asia, and the Indian subcontinent and their descendants in other parts of the world
- caudillos — Plural form of caudillo.
- cauldrons — Plural form of cauldron.
- causation — The causation of something, usually something bad, is the factors that have caused it.
- cautelous — crafty or cunning
- cavernous — A cavernous room or building is very large inside, and so it reminds you of a cave.
- cavillous — Characterized by caviling, or disposed to cavil; quibbling.
- ceanothus — any shrub of the North American rhamnaceous genus Ceanothus: grown for their ornamental, often blue, flower clusters
- cellarous — of, relating to or resembling a cellar
- cepaceous — having an onion-like smell or taste
- cephalous — having a head
- ceraceous — waxlike or waxy
- ceratodus — any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times
- cetaceous — Relating to whales or more generally to any marine mammal of the order Cetacea.
- chancrous — (medicine) Of the nature of a chancre; affected by chancre.
- chargeous — (obsolete) burdensome.
- churrasco — meat cooked over an open fire.
- clafoutis — a French baked pudding
- clamorous — If you describe people or their voices as clamorous, you mean they are talking loudly or shouting.