9-letter words containing a, c, t, o, s
- costanoan — a family of eight languages, now extinct, spoken by American Indian peoples of coastal California: part of the Penutian stock.
- costarred — Simple past tense and past participle of costar.
- cottagers — Plural form of cottager.
- courantes — Plural form of courante.
- courtesan — In former times, a courtesan was a woman who had sexual relationships with rich and powerful men for money.
- covenants — Plural form of covenant.
- cowlstaff — a staff or pole used by two people to carry a vessel, sometimes used as a weapon
- crackpots — Plural form of crackpot.
- crapshoot — If you describe something as a crapshoot, you mean that what happens depends entirely on luck or chance.
- crash out — If someone crashes out somewhere, they fall asleep where they are because they are very tired or drunk.
- crash-hot — extremely impressive
- craterous — of, relating to, or resembling a crater
- crayonist — (dated) An artist who uses crayons.
- creations — The action or process of bringing something into existence.
- cristobal — seaport in Panama, at the Caribbean entrance to the Panama Canal: part of the city of Colón
- croissant — Croissants are small, sweet bread rolls in the shape of a crescent that are eaten for breakfast.
- crosstabs — Simple language for statistical analysis of tabular data. "User's Manual for the CROSSTABS System", Cambridge Computer Assoc (Feb 1977).
- crosstalk — unwanted signals in one channel of a communications system as a result of a transfer of energy from one or more other channels
- crotalism — a type of poisoning caused by ingestion of plants of the genus Crotalaria
- croustade — a hollowed pastry case or piece of cooked bread, potato, etc, in which food is served
- cryostats — Plural form of cryostat.
- custodial — Custodial means relating to keeping people in prison.
- custodian — The custodian of an official building, a companies' assets, or something else valuable is the person who is officially in charge of it.
- customary — Customary is used to describe things that people usually do in a particular society or in particular circumstances.
- cutaneous — of, relating to, or affecting the skin
- cystocarp — a reproductive body in red algae, developed after fertilization and consisting of filaments bearing carpospores
- cystogram — A diagnostic image produced by cystography.
- cytoplasm — the protoplasm of a cell contained within the cell membrane but excluding the nucleus: contains organelles, vesicles, and other inclusions
- cytoplast — the intact cytoplasm of a single cell
- cytosmear — (cytology) A sample of cells, in the form of a smear on a microscope slide, that has been stained ready for diagnostic examination.
- cytotaxis — movement of cells due to external stimulation
- datacomms — the transmission of data along communications systems
- deadstock — the merchandise or commodities of a shop, etc, that is unsold and generating no income
- decorates — Third-person singular simple present indicative form of decorate.
- democrats — Plural form of democrat.
- diastolic — (of blood pressure) indicating the arterial pressure during the interval between heartbeats.
- dictators — Plural form of dictator.
- dislocate — to put out of place; put out of proper relative position; displace: The glacier dislocated great stones. The earthquake dislocated several buildings.
- dogmatics — the study of the arrangement and statement of religious doctrines, especially of the doctrines received in and taught by the Christian church.
- doncaster — a city in South Yorkshire, in N England.
- ectoblast — the ectoderm.
- ectoplasm — Biology. the outer portion of the cytoplasm of a cell. Compare endoplasm.
- ectosteal — the ossification of cartilage that begins under the perichondrium and proceeds inward.
- educators — Plural form of educator.
- emboscata — a sudden attack or raid
- encomiast — A person who publicly praises or flatters someone else.
- escalator — A moving staircase consisting of an endlessly circulating belt of steps driven by a motor, conveying people between the floors of a public building.
- escargots — (US) Cooked land snails, usually served as an appetizer or starter.
- escheator — a person appointed to deal with escheats
- escortage — the act of escorting