10-letter words containing k, a, o
- pyatigorsk — a city in the SW Russian Federation in Europe, in Caucasia.
- quakeproof — designed or built to withstand the destructive forces of an earthquake.
- quarkonium — a meson composed of a quark and an antiquark of the same flavor.
- rackabones — 'a rack of bones', a metaphor for a person or animal that is very thin or emaciated
- racked out — a framework of bars, wires, or pegs on which articles are arranged or deposited: a clothes rack; a luggage rack.
- radio link — radio communication setup
- raskolniki — a member of any of several sects founded by dissenters from the Russian Orthodox Church who opposed the liturgical reforms of Nikon in the 17th century.
- reckonable — to count, compute, or calculate, as in number or amount.
- red kowhai — parrot's-bill.
- rekeyboard — to enter (information) again on a keyboard or other similar device
- roach back — an arched back, as of a dog.
- roadmaking — road building
- rock brake — any of various ferns of the genera Pellaea and Cryptogramma, which grow on rocky ground and have sori at the ends of the veins
- rock candy — sugar in large, hard, cohering crystals.
- rock falls — a city in NW Illinois.
- rock hyrax — an African and Middle Eastern hyrax of the genus Procavia that lives in rocky places.
- rock maple — the sugar maple, Acer saccharum.
- rock opera — an album that tells a story through the songs it contains
- rock plant — a plant found among rocks or in rock gardens.
- rock snake — any large Australasian python of the genus Liasis
- rock spray — a low, evergreen, Himalayan shrub, Cotoneaster microphyllus, of the rose family, having shiny leaves with grayish, hairy undersides, white flowers, and scarlet berries.
- rock-candy — sugar in large, hard, cohering crystals.
- rock-faced — (of a person) having a stiff, expressionless face.
- rockabilly — a style of popular music combining the features of rock-'n'-roll and hillbilly music.
- rocker arm — a rocking or oscillating arm or lever rotating with a moving shaft or pivoted on a stationary shaft.
- rocker cam — a cam with a rocking or reciprocating motion.
- rockingham — Second Marquis of, Charles Watson-Wentworth.
- rolf kraki — a possibly historical Danish king of the 9th century, the subject of an Old Icelandic saga and in accounts by the Danish historian Saxo Grammaticus: involved in great battles with his stepfather, Adils of Sweden.
- rope maker — a craftsman who makes ropes
- ropemaking — the act, skill, or process of fabricating rope.
- ropewalker — a ropedancer.
- rosa parks — Gordon (Alexander Buchanan) 1912–2006, U.S. photojournalist and film director.
- royal duke — a duke who is also a royal prince, being a member of the royal family
- sailorlike — resembling a sailor
- salad fork — a small, broad fork, usually one of a set, for eating salad or dessert.
- sandy hook — a peninsula in E New Jersey, at the entrance to lower New York Bay. 6 miles (10 km) long.
- scalp lock — a long lock or tuft of hair left on the shorn scalp by some North American Indian men.
- schafskopf — sheepshead (def 4).
- sea rocket — any of several plants of the related genus Cakile, esp C. maritima, which grow along the seashores of Europe and North America and have mauve, pink, or white flowers
- shackleton — Sir Ernest Henry, 1874–1922, English explorer of the Antarctic.
- shadowlike — a dark figure or image cast on the ground or some surface by a body intercepting light.
- shake down — an act or instance of shaking, rocking, swaying, etc.
- shake-down — an act or instance of shaking, rocking, swaying, etc.
- shock wave — a region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound, caused by an intense explosion or supersonic flow over a body.
- shockstall — the loss of lift and increase of drag experienced by transonic aircraft when strong shock waves on the wings cause the airflow to separate from the wing surfaces
- shopwalker — a floorwalker.
- shore lark — a bird: Eremophila alpestris
- shotmaking — the playing of good shots (by a sports player)
- shylockian — a relentless and revengeful moneylender in Shakespeare's Merchant of Venice.
- skate over — to cross on or as if on skates