8-letter words containing o, r, k
- jokester — a joker, especially a practical joker.
- jumprock — any of several freshwater suckers of the genus Moxostoma, of the southeastern U.S.
- k ration — an emergency field ration for U.S. armed forces when other food or rations are not available, consisting of three separate packaged meals of concentrated or dehydrated food.
- kabouter — (Dutch mythology) A tiny folkloric man who traditionally wears a pointy red hat, lives in harmony with nature and resides in mushrooms, similar to a gnome, leprechaun or a smurf.
- kairouan — a city in NE Tunisia: a holy city of Islam.
- kangaroo — any herbivorous marsupial of the family Macropodidae, of Australia and adjacent islands, having a small head, short forelimbs, powerful hind legs used for leaping, and a long, thick tail: several species are threatened or endangered.
- kangeroo — Archaic form of kangaroo.
- karafuto — Japanese name of Sakhalin.
- karoline — a female given name.
- karosses — Plural form of kaross.
- karyotin — chromatin
- kasparov — Gary or Garry, born 1963, Armenian chess player.
- kemerovo — a city in the S Russian Federation in Asia, NE of Novosibirsk.
- kenotron — a type of vacuum tube formerly used as a high-voltage rectifier, for example in circuits of X-ray tubes
- keratode — the horny, fibrous substance forming the skeleton of certain sponges.
- keratoid — resembling horn; horny.
- keratoma — keratosis.
- keratose — having a skeleton formed of horny fibers, as certain sponges.
- kerberos — Cerberus (def 1).
- kerosene — a mixture of liquid hydrocarbons obtained by distilling petroleum, bituminous shale, or the like, and widely used as a fuel, cleaning solvent, etc.
- kerosine — Alternative spelling of kerosene.
- keurboom — (South Africa) A species of tree, Virgilia oroboides, noted for it's pretty lilac flowers.
- key-word — a word that serves as a key, as to the meaning of another word, a sentence, passage, or the like.
- keyboard — the row or set of keys on a piano, organ, or the like.
- keynoter — a person who delivers a keynote address.
- keywords — a word that serves as a key, as to the meaning of another word, a sentence, passage, or the like.
- khartoum — a region in N Africa, S of the Sahara and Libyan deserts, extending from the Atlantic to the Red Sea.
- killcrop — a baby that is always hungry, thought to be a fairy changeling
- kilogram — a unit of mass equal to 1000 grams: the basic unit of mass in the International System of Units (SI), equal to the mass of the international prototype of the kilogram, a platinum-iridium cylinder kept in Sèvres, France. Abbreviation: kg.
- kilogray — one thousand grays
- kir moab — ancient name of Kerak.
- kirkwood — a city in E Missouri, near St. Louis.
- klystron — An electron tube that generates or amplifies microwaves by velocity modulation.
- kneeroom — space to put one's knees
- knockers — a person or thing that knocks.
- knotroot — Chinese artichoke.
- knotwork — A design or pattern of interlocking or overlapping geometric shapes resembling a knot.
- koestler — Arthur, 1905–83, British novelist, critic, and journalist; born in Hungary.
- koftgari — the art of inlaying steel with gold
- kohinoor — an Indian diamond weighing 106 carats; now part of the British crown jewels.
- kohlrabi — a cultivated cabbage, Brassica oleracea gongylodes, whose stem above ground swells into an edible, bulblike formation.
- koko nor — Qing Hai.
- kolhapur — a city in S Maharashtra, in SW India.
- komondor — one of a Hungarian breed of large dogs having a long, matted, white coat, used for herding sheep and as a watchdog.
- kompiler — (language) An early system on the IBM 701. Versions: KOMPILER 2 for IBM 701, KOMPILER 3 for IBM 704.
- kootchar — any of several small, stingless Australian honeybees of the genus Trigona.
- kopfring — a metal ring welded to the nose of a bomb to reduce its penetration in earth or water.
- korchnoi — Victor. 1931–2016, Soviet-born chess player: Soviet champion 1960, 1962, and 1964: defected to the West in 1976
- kordofan — a province in the central Sudan. About 147,000 sq. mi. (380,730 sq. km). Capital: El Obeid.
- korfball — (uncountable) A non-contact unisex team sport originating from Holland, similar to netball, where players attempt to throw a ball into a basket atop a pole.