9-letter words containing a, c, t, i, o
- coat-tail — the long tapering tails at the back of a man's tailed coat
- coattails — If you do something on the coattails of someone else, you are able to do it because of the other person's success, and not because of your own efforts.
- coaxation — (rare) The act of croaking.
- cobaltite — a rare silvery-white mineral consisting of cobalt arsenic sulphide in cubic crystalline form: a major ore of cobalt, used in ceramics. Formula: CoAsS
- cocainist — a cocaine addict
- cockatiel — A cockatiel is a bird similar to a cockatoo that is often kept as a pet.
- cocktails — Plural form of cocktail.
- coevality — The condition of being coeval.
- cogitable — conceivable
- cogitated — Simple past tense and past participle of cogitate.
- cogitates — Third-person singular simple present indicative form of cogitate.
- cogitator — to think hard; ponder; meditate: to cogitate about a problem.
- cognation — relationship by descent from the same ancestor or source
- cognisant — a frequent misspelling of cognizant.
- cognizant — If someone is cognizant of something, they are aware of it or understand it.
- cohabited — to live together as if married, usually without legal or religious sanction.
- cohabitee — A person who cohabits with another.
- cohabiter — to live together as if married, usually without legal or religious sanction.
- coinhabit — To inhabit together.
- cointreau — a colourless liqueur with orange flavouring
- coitional — of or relating to coitus
- collagist — a technique of composing a work of art by pasting on a single surface various materials not normally associated with one another, as newspaper clippings, parts of photographs, theater tickets, and fragments of an envelope.
- collating — to gather or arrange in their proper sequence (the pages of a report, the sheets of a book, the pages of several sets of copies, etc.).
- collation — the act or process of collating
- collative — involving collation
- colligate — to connect or link together; tie; join
- collimate — to adjust the line of sight of (an optical instrument)
- comatulid — any of a group of crinoid echinoderms, including the feather stars, in which the adults are free-swimming
- combating — to fight or contend against; oppose vigorously: to combat crime.
- combative — A person who is combative is aggressive and eager to fight or argue.
- combinate — combined
- comitatus — a retinue of warriors serving a leader, esp in pre-Christian Germanic cultures, such as Anglo-Saxon England and Viking Age Scandinavia
- commatism — Conciseness in writing.
- comminate — to anathematize
- committal — Committal is the process of officially sending someone to a prison or to hospital.
- compacity — Any of several technical measures of compactness, especially, in a granular medium (e.g. sand), the volume fraction that is filled.
- compilate — (rare) To put together; to assemble; to make by gathering things from various sources.
- complaint — A complaint is a statement in which you express your dissatisfaction with a particular situation.
- compliant — If you say that someone is compliant, you mean they willingly do what they are asked to do.
- conations — Plural form of conation.
- concavity — the state or quality of being concave
- confidant — Someone's confidant is a man who they are able to discuss their private problems with.
- connation — a union of similar parts or organs
- consortia — a combination of financial institutions, capitalists, etc., for carrying into effect some financial operation requiring large resources of capital.
- constrain — To constrain someone or something means to limit their development or force them to behave in a particular way.
- contadina — (in Italy) a female farmer or peasant
- contadino — (in Italy) a male farmer or peasant
- contagion — Contagion is the spreading of a particular disease by someone touching another person who is already affected by the disease.
- contagium — the specific virus or other direct cause of any infectious disease
- contained — kept from going beyond certain limits; confined