9-letter words containing o, a, k, c
- black fog — (in Cape Cod, Mass.) a dense fog.
- black fox — a red fox in a color phase in which its fur is mostly black.
- black oak — any of various North American oaks (esp. Quercus velutina) with dark bark or foliage
- black out — If you black out, you lose consciousness for a short time.
- black rod — (in Britain) an officer of the House of Lords and of the Order of the Garter, whose main duty is summoning the Commons at the opening and proroguing of Parliament
- black rot — any of various plant diseases of fruits and vegetables, producing blackening, rotting, and shrivelling and caused by bacteria (including Xanthomonas campestris) and fungi (such as Physalospora malorum)
- blackbody — a hypothetical body that would be capable of absorbing all the electromagnetic radiation falling on it
- blackcock — the male of the black grouse
- blackfoot — a member of a group of Native American peoples formerly living in the northwestern Plains
- blackmore — R(ichard) D(oddridge). 1825–1900, English novelist; author of Lorna Doone (1869)
- blackpoll — a North American warbler, Dendroica striata, the male of which has a black-and-white head
- blackpool — a town and resort in NW England, in Blackpool unitary authority, Lancashire on the Irish Sea: famous for its tower, 158 m (518 ft) high, and its illuminations. Pop: 142 283 (2001)
- blacktown — a city in New South Wales, SE Australia, near Sydney.
- blackwood — a tall Australian acacia tree, A. melanoxylon, having small clusters of flowers and curved pods and yielding highly valued black timber
- blackwork — embroidery done with black, usually silk, thread on white fabric, especially linen.
- blockable — able to be blocked or prevented
- blockaded — the isolating, closing off, or surrounding of a place, as a port, harbor, or city, by hostile ships or troops to prevent entrance or exit.
- blockhead — a stupid person
- blow-back — Blow-back is when the air flow through a carburetor suddenly changes direction. This is often caused by incorrect ignition.
- boat deck — the deck of a ship on which the lifeboats are kept
- boat neck — a high slitlike neckline of a garment that extends onto the shoulders
- bomb rack — a device for carrying bombs in or under the fuselage of an aircraft.
- boneblack — a black residue from the destructive distillation of bones, containing about 10 per cent carbon and 80 per cent calcium phosphate, used as a decolorizing agent and pigment
- bookcraft — literary skill; authorship.
- bookstack — Usually, bookstacks. stack (def 4).
- bootblack — a person whose work is shining shoes and boots
- bop stack — A BOP stack is one of two or more units which control well pressure, and contain the wellhead and blowout preventers.
- boschvark — a bush pig of S Africa
- buckboard — an open four-wheeled horse-drawn carriage with the seat attached to a flexible board between the front and rear axles
- cake shop — a shop that sells cakes
- cakeholes — Plural form of cakehole.
- cankerous — having cankers
- cant hook — a heavy wooden lever with a blunt tip and a hinged hook near the end: used by lumbermen in handling logs
- cape work — the skillful practice of a bullfighter in using a cape to maneuver a bull.
- cape york — the northernmost point of the Australian mainland, in N Queensland on the Torres Strait at the tip of Cape York Peninsula (a peninsula between the Coral Sea and the Gulf of Carpentaria)
- cardstock — paper stock stiff enough for the printing of business cards and similar uses.
- case-work — the work of investigation, advice, supervision, etc., by social workers or the like, in cases handled by them.
- casebooks — Plural form of casebook.
- cash-book — a journal in which all cash or cheque receipts and disbursements are recorded
- cashbooks — Plural form of cashbook.
- catchwork — A simple irrigation system, used on sloping land, in which water from a stream or spring is fed in at the top and allowed to trickle down over a number of artificial terraces.
- chainwork — any work linked or looped in the manner of or resembling a chain or chains
- chalk out — to outline (a plan, scheme, etc); sketch
- chapbooks — Plural form of chapbook.
- cheechako — a newcomer to the state of Alaska
- chinookan — of the Chinooks or their language or culture
- chokeable — to stop the breath of by squeezing or obstructing the windpipe; strangle; stifle.
- chokedamp — blackdamp
- chokeslam — A wrestling move in which someone is picked up by their neck and is driven into the mat.
- chomskyan — of or relating to Noam Chomsky or his linguistic theories, especially to transformational-generative grammar.