9-letter words containing o, h, a
- coalhouse — a shed or building for storing coal
- coauthors — Plural form of coauthor.
- cochineal — Cochineal is a red substance that is used for colouring food.
- cochleate — shaped like a snail's shell; spirally twisted
- cockahoop — Alternative form of cock-a-hoop.
- cockmatch — a cockfight
- cockroach — A cockroach is a large brown insect that is sometimes found in warm places or where food is kept.
- codeshare — (aviation) Agreement whereby an airline buys space on another airline and markets the extra space as its own. Often used to increase a route network without the costs of running a full service.
- 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.
- cohobated — to distill again from the same or a similar substance, as by pouring a distilled liquid back upon the matter remaining in the vessel, or upon another mass of similar matter.
- cohobates — Third-person singular simple present indicative form of cohobate.
- coinhabit — To inhabit together.
- cokeheads — Plural form of cokehead.
- colcothar — a finely powdered form of ferric oxide produced by heating ferric sulphate and used as a pigment and as jewellers' rouge
- cold cash — money paid in full at the time of a business transaction
- coliphage — a bacteriophage
- conchobar — (in Irish legend) a king of Ulster at about the beginning of the Christian era
- connaught — Connacht
- cookshack — a makeshift building in which food is cooked
- coolibahs — Plural form of coolibah.
- cornbrash — a type of limestone which produces good soil for growing corn
- coronachs — Plural form of coronach.
- cot death — Cot death is the sudden death of a baby while it is asleep, although the baby had not previously been ill.
- cothamore — a frieze fabric, often used in the manufacture of overcoats.
- cothurnal — relating to the cothurnus or to tragedy
- cow shark — any large primitive shark, esp Hexanchus griseum, of the family Hexanchidae of warm and temperate waters
- 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
- crosshair — either of the two fine mutually perpendicular lines or wires that cross in the focal plane of a theodolite, gunsight, or other optical instrument and are used to define the line of sight
- crosshead — a subsection or paragraph heading printed within the body of the text
- cry havoc — to give the signal for pillage and destruction
- cryolathe — an instrument for reshaping the cornea to correct severe nearsightedness or farsightedness: the cornea is removed from the eye, rapidly frozen, reshaped, and reinserted.
- cutthroat — a person who cuts throats; murderer
- cymograph — an instrument for tracing the outline of an architectural moulding
- cymophane — a yellow or green opalescent variety of chrysoberyl
- cytopathy — a disease or disorder of a cell
- cytophagy — the ingestion of cells by other cells.
- dado head — a rotary cutter composed of several sawlike blades side by side, for cutting dadoes in wood.
- dalhousie — 9th Earl of, title of George Ramsay. 1770–1838, British general; governor of the British colonies in Canada (1819–28)
- dankworth — Sir John (Philip William). 1927–2010, British jazz composer, bandleader, and saxophonist: married to Cleo Laine
- danthonia — any of various grasses of the genus Danthonia, of N temperate regions and South America
- darkhorse — Having the character of a dark horse.
- dartmouth — a port in SW England, in S Devon: Royal Naval College (1905). Pop: 5512 (2001)
- dashboard — The dashboard in a car is the panel facing the driver's seat where most of the instruments and switches are.
- day coach — an ordinary railroad passenger car, as distinguished from a sleeping car, parlor car, or other deluxe accommodations.
- deadhouse — a mortuary
- dear john — a letter from a woman informing her boyfriend or fiancé that she is ending their relationship or informing her husband that she wants a divorce: Nothing is worse for a soldier's morale than getting a Dear John.