11-letter words containing a, u, s, o
- couch-grass — any of various grasses, especially Agropyron repens, known chiefly as troublesome weeds and characterized by creeping rootstocks that spread rapidly.
- counteracts — Third-person singular simple present indicative form of counteract.
- counterbase — a double bass
- countersank — Simple past form of countersink.
- counterseal — a smaller seal on the reverse of the main seal
- countryseat — a house or estate in the country
- county seat — A county seat is the same as a county town.
- coursemates — Plural form of coursemate.
- cousin jack — a Cornishman, especially a Cornish miner.
- covarrubias — Miguel [mee-gel] /miˈgɛl/ (Show IPA), 1904–57, Mexican caricaturist, illustrator, and painter.
- crack house — a house or flat where drugs are dealt and used
- cram course — an intensive course of study designed to review or teach material needed for a specific purpose or, often, material previously taught but not mastered.
- craniopagus — the condition of Siamese twins joined at the head
- crapulosity — the quality of being crapulous or crapulent
- crapulously — In a crapulous manner.
- crazy house — an asylum for people with psychiatric disorders
- creophagous — flesh-eating or carnivorous
- crocus sack — a burlap bag.
- cross vault — a vault or ceiling created by the intersection of vaults.
- crustaceous — forming, resembling, or possessing a surrounding crust or shell
- cuckoo wasp — any of several small, metallic-green or -blue wasps of the family Chrysididae that deposit their eggs in nests of other wasps.
- cultivators — Plural form of cultivator.
- cunctatious — addicted to or prone to cunctation
- curatorship — The rank or period of being a curator.
- cuspidation — decoration using cusps
- custom-made — If something is custom-made, it is made according to someone's special requirements.
- custom-make — to make according to the specifications of an individual buyer
- customaries — Plural form of customary.
- customarily — according to custom; usually
- cut throats — a person who cuts the throat of another; a murderer.
- cutaneously — In a cutaneous way.
- cycadaceous — belonging or pertaining to the order Cycadales.
- cymophanous — lustrous; brilliant
- cyperaceous — of, relating to, or belonging to the Cyperaceae, a family of grasslike flowering plants with solid triangular stems, including the sedges, bulrush, cotton grass, and certain rushes. Some are grown as water plants or as ornamental grasses; and Cyperus papyrus is the papyrus plant
- cytophagous — the ingestion of cells by other cells.
- damp course — A damp course is a layer of waterproof material which is put into the bottom of the outside wall of a building to prevent moisture from rising.
- dangerously — full of danger or risk; causing danger; perilous; risky; hazardous; unsafe.
- dawn chorus — The dawn chorus is the singing of birds at dawn.
- death house — the section of a prison containing an execution chamber and the cells in which persons condemned to die are housed in the days just before their execution
- decussation — a decussating or being decussated
- degustation — the act of sampling a wide variety of foods, wines, etc.
- degustatory — tasty; having a pleasant flavour
- delusionary — having false or unrealistic beliefs or opinions: Senators who think they will get agreement on a comprehensive tax bill are delusional.
- demagoguism — demagoguery.
- demodulates — Third-person singular simple present indicative form of demodulate.
- depopulates — Third-person singular simple present indicative form of depopulate.
- deputations — Plural form of deputation.
- diacoustics — the branch of physics that deals with refracted sound
- diadelphous — (of stamens) having united filaments so that they are arranged in two groups
- diascordium — a herbal medicine, no longer in use, containing among other ingredients the herb scordium and opium