6-letter words containing o, k, a
- kakuro — a puzzle in which numbers must be fitted into a grid so that the numbers in each row and column add up to the total indicated
- kalong — a large flying fox of Southeast Asia.
- kamora — The diacritic {{l|mul|sc=Cyrs|\u0484| \u0484}}, used in the Old Cyrillic alphabet to represent palatalisation of certain consonants.
- kanone — a person who is an expert skier.
- kanoon — A Near Eastern and Caucasian musical instrument related to the zither, dulcimer, harp, or sackbut having either 26 strings and a single bridge, or twice that number and two bridges.
- kantor — MacKinlay [muh-kin-lee] /məˈkɪn li/ (Show IPA), 1904–77, U.S. novelist.
- kaolin — a fine white clay used in the manufacture of porcelain.
- kaonic — of or relating to a kaon
- kapoor — Sir Anish (ˈænɪʃ). born 1954, British sculptor, born in Bombay; winner of the Turner Prize (1991); noted for the ArcelorMittal Orbit, a sculpture and observation tower exhibited at the London Olympic Park from 2012
- kapote — a long coat formerly worn by male Jews of eastern Europe and now worn chiefly by very Orthodox or Hasidic Jews.
- kapton — a strong, lightweight plastic resistant to high temperatures, used primarily by the aerospace industry to make thin sheets of insulation
- karoro — a large seagull, Laris dominicanus, with black feathers on its back
- kaross — a cloak or rug of animal skins used in southern Africa.
- karpov — Anatoly [an-uh-toh-lee;; Russian uh-nuh-taw-lyee] /ˌæn əˈtoʊ li;; Russian ʌ nʌˈtɔ lyi/ (Show IPA), born 1951, Russian chess player.
- karroo — a dry tableland, esp. one in S Africa
- karyo- — indicating the nucleus of a cell
- karyon — (cytology) The nucleus of a cell.
- kastro — Mytilene (def 2).
- kation — a positively charged ion that is attracted to the cathode in electrolysis.
- katipo — A venomous spider, Latrodectus katipo, endemic to New Zealand.
- kayoed — Simple past tense and past participle of kayo.
- kayoes — Plural form of kayo.
- kaypoh — (Singapore) busybody.
- kazoos — Plural form of kazoo.
- keaton — Buster (Joseph Francis Keaton) 1895–1966, U.S. film comedian and director.
- kgotla — Any of several types of public meetings in a Botswana village, especially involving a gathering of tribal elders; also the place where such a meeting is held.
- khotan — Older Spelling. Hotan.
- khowar — an Indo-Iranian language of northwest Pakistan.
- kimona — Alternative form of kimono.
- klaxon — a loud electric horn, formerly used on automobiles, trucks, etc., and now often used as a warning signal.
- koalas — Plural form of koala.
- kobang — an oblong Japanese gold coin, no longer in use
- kochia — any plant of the widely distributed annual genus Kochia, esp K. Scoparia trichophila, grown for its foliage, which turns dark red in the late summer: family Chenopodiaceae
- kodagu — a former province in SW India; now part of Karnataka state. 1593 sq. mi. (4126 sq. km).
- kodaks — Plural form of kodak.
- kodaly — Zoltán [zawl-tahn] /ˈzɔl tɑn/ (Show IPA), 1882–1967, Hungarian composer.
- kodiak — an island in the N Pacific, near the base of the Alaska Peninsula. 100 miles (160 km) long.
- koffka — Kurt [koo rt] /kʊərt/ (Show IPA), 1886–1941, German psychologist in the U.S.
- kohima — a state in NE India. 6366 sq. mi. (16,488 sq. km). Capital: Kohima.
- kokako — a dark grey long-tailed wattled crow of New Zealand, Callaeas cinerea
- kokand — a city in NE Uzbekistan, SE of Tashkent: formerly the center of a powerful khanate.
- kokoda — A raw fish salad in Fijian cuisine.
- kokura — a seaport on N Kyushu, in S Japan: formed in 1963 by the merger of five cities (Kokura, Moji, Tobata, Wakamatsu, and Yawata)
- kolima — a river in the NE Russian Federation in Asia, flowing NE to the Arctic Ocean. 1000 miles (1610 km) long.
- kolyma — a river in the NE Russian Federation in Asia, flowing NE to the Arctic Ocean. 1000 miles (1610 km) long.
- komati — a river in NE South Africa, N Swaziland, and SW Mozambique, flowing generally NE to the Indian Ocean. 500 miles (805 km) long.
- komura — Marquis Jutaro [joo-tah-raw] /ˈdʒu tɑˌrɔ/ (Show IPA), 1855–1911, Japanese statesman and diplomat.
- konrad — a male given name.
- kontra — Synonym of bugarija.
- koppas — Plural form of koppa.