9-letter words containing k, s, t, a
- fish tank — aquarium
- flagstick — pin (def 13).
- flak suit — a suit of two or more padded armored garments designed to protect the body from shrapnel.
- flatpacks — Plural form of flatpack.
- flatstick — with great speed or effort
- folktales — a tale or legend originating and traditional among a people or folk, especially one forming part of the oral tradition of the common people.
- footmarks — Plural form of footmark.
- footstalk — a pedicel; peduncle.
- forjaskit — exhausted
- forsaketh — Archaic third-person singular form of forsake.
- freakiest — Superlative form of freaky.
- gaitskell — Hugh Todd Naylor [ney-ler] /ˈneɪ lər/ (Show IPA), 1906–63, English economist and statesman: Labour party leader 1955–63.
- gearstick — The lever used to change gear in a vehicle.
- goatskins — Plural form of goatskin.
- graustark — a novel (1901) by George Barr McCutcheon about the romantic and melodramatic adventures of military and courtly figures in the fictional kingdom of Graustark.
- grubstake — provisions, gear, etc., furnished to a prospector on condition of participating in the profits of any discoveries.
- halakhist — one of the writers or compilers of the Halakhah.
- haystacks — Plural form of haystack.
- headstick — a piece of wood formerly used in typesetting to create a margin at the top of a page
- headstock — the part of a machine containing or directly supporting the moving or working parts, as the assembly supporting and driving the live spindle in a lathe.
- heartsick — extremely depressed or unhappy.
- heartsink — a patient who repeatedly visits his or her doctor's surgery, often with multiple or non-specific symptoms, and whose complaints are impossible to treat
- heat sink — Thermodynamics. any environment or medium that absorbs heat.
- hiratsuka — a city in central Honshu, Japan, near Yokohama.
- ice-skate — to skate on ice.
- in-basket — in-box.
- ink stain — a mark made by ink
- inkstands — Plural form of inkstand.
- intertask — Between tasks.
- isokontan — an alga whose zoospores have equal cilia
- jack post — a post for supporting a floor beam, having two telescoping sections, adjustable to any height.
- jack shit — anything at all; the least thing (usually used in the negative): He doesn't know jack shit.
- jackboots — Plural form of jackboot.
- jackshaft — Also called countershaft. a short shaft, connected by belting, gears, etc., that transmits motion from a motor or engine to a machine or machines being driven (distinguished from main shaft).
- jacksmelt — a large silversides, Atherinopsis californiensis, found along the coast of California, that grows to a length of 22 inches (55 cm).
- jacksmith — a smith who makes devices that enable the turning of meat while being roasted
- jackstaff — A short flagpole at a ship’s bow, on which a jack is flown.
- jackstays — Plural form of jackstay.
- jackstone — jack1 (def 5a, b).
- jackstraw — one of a group of strips of wood or similar objects, as straws or toothpicks, used in the game of jackstraws.
- jockstrap — an elasticized belt, a men's undergarment, with a pouch for supporting and protecting the genitals, worn especially while participating in athletics.
- jujitsuka — A practitioner of any type of jujitsu/jujutsu martial arts, except judo.
- kahn test — a test for syphilis based on the formation of a precipitate in a mixture of serum and antigen.
- kantharos — a deep bowl set upon a stem terminating in a foot and having two handles rising from the brim and curving downward to join the body.
- karateist — A person who does karate.
- karatekas — Plural form of karateka.
- karpathos — an island off the SE coast of Greece, part of the Dodecanese Islands, in the Aegean Sea. 110 sq. mi. (280 sq. km).
- katabasis — a march from the interior of a country to the coast, as that of the 10,000 Greeks after their defeat and the death of Cyrus the Younger at Cunaxa.
- katalyses — catalysis.
- katalysis — catalysis.