9-letter words containing s, a, t, i
- jailbaits — a girl with whom sexual intercourse is punishable as statutory rape because she is under the legal age of consent.
- janitress — a woman who is a janitor.
- jargonist — a user of jargon
- jasperite — Jasper (the gem).
- jaspilite — a metamorphic rock that has a high concentration of hematite and that resembles jasper
- jihadists — Plural form of jihadist.
- jillstrap — (informal) A pelvic protector, a woman's equivalent of a man's jockstrap.
- jubilates — Third-person singular simple present indicative form of jubilate.
- judaistic — an adherent or supporter of Judaism.
- jujitsuka — A practitioner of any type of jujitsu/jujutsu martial arts, except judo.
- justiciar — a high judicial officer in medieval England.
- justicoat — justaucorps.
- justinian — (Flavius Anicius Justinianus"Justinian the Great") a.d. 483–565, Byzantine emperor 527–565.
- karateist — A person who does karate.
- 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.
- katalysis — catalysis.
- katharsis — Alt form catharsis.
- keratitis — inflammation of the cornea.
- keratosis — any skin disease characterized by a horny growth, as a wart.
- khuzistan — a province in SW Iran, on the Persian Gulf. About 35,000 sq. mi. (90,650 sq. km). Capital: Ahwaz.
- kickstand — a device for supporting a bicycle or motorcycle when not in use, pivoted to the rear axle in such a way that it can be kicked down below the rear wheel.
- kickstart — a starter, as of a motorcycle, that operates by a downward kick on a pedal.
- kidstakes — pretense or nonsense.
- kilowatts — Plural form of kilowatt.
- kintpuash — (Kintpuash) 1837?–73, Modoc leader.
- klinostat — a rotating and tilting plant-holder used for studying and experimenting with plant growth
- kostunica — Vojislav (ˈvɒjɪslæf). born 1944, Serbian politician; president of the Federal Republic of Yugoslavia (2000–03); prime minister of Serbia and Montenegro (2004–06); prime minister of Serbia (2006–08)
- kshatriya — a member of the Hindu royal and warrior class above the Vaisyas and below the Brahmans.
- kurdistan — a mountain and plateau region in SE Turkey, NW Iran, and N Iraq: inhabited largely by Kurds. 74,000 sq. mi. (191,660 sq. km).
- labellist — a person who wears only clothes with fashionable brand names
- laborists — Plural form of laborist.
- laborites — Plural form of laborite.
- labourist — a member or supporter of the Labour party.
- lacertids — Plural form of lacertid.
- lactivist — a person, esp a woman, who advocates strongly the breast-feeding of children, and is opposed to bottle-feeding
- ladysmith — a city in W Natal, in the E Republic of South Africa: besieged by Boers 1889–1900.
- laminates — Plural form of laminate.
- laminitis — inflammation of sensitive laminae in the hoof of a horse, caused by stressful events, as trauma, infection, or parturition.
- lampadist — (in ancient Greece) a competitor in a race run by young men with torches
- landsleit — fellow Jews; sometimes, specif., those from the same town or village in Europe as oneself
- landsting — (formerly) the upper house of the Danish parliament.
- lantastic — (networking, product) A trademarked name for numerous products of Artisoft, Inc..
- larcenist — a person who commits larceny.
- lassitude — weariness of body or mind from strain, oppressive climate, etc.; lack of energy; listlessness; languor.
- last mile — the distance walked by a condemned person from his or her cell to the place of execution.
- lastingly — continuing or enduring a long time; permanent; durable: a lasting friendship.
- latencies — Plural form of latency.
- latensify — to increase the developability of (the latent image on a film or plate) after exposure.
- laterites — Plural form of laterite.
- lathyrism — a disorder of humans and domestic animals caused by ingestion of the seeds of some legumes of the genus Lathyrus and marked by spastic paralysis and pain.