9-letter words containing y, t, s
- katyushas — Plural form of katyusha.
- ketolysis — the breaking down of ketones.
- key stage — any one of four broad age-group divisions (5–7; 7–11; 11–14; 14–16) to which each level of the National Curriculum applies
- keynoters — Plural form of keynoter.
- keystoner — a native or inhabitant of Pennsylvania (used as a nickname).
- keystones — Plural form of keystone.
- keystream — (cryptography) A stream of random or pseudorandom characters that are combined with the plaintext to produce a ciphertext.
- keystroke — one stroke of any key on a machine operated by a keyboard, as a typewriter, computer terminal, or Linotype: I can do 3000 keystrokes an hour.
- kilobytes — Plural form of kilobyte.
- kitschify — to make something kitsch
- klystrons — Plural form of klystron.
- kshatriya — a member of the Hindu royal and warrior class above the Vaisyas and below the Brahmans.
- lace stay — that part of an Oxford shoe into which eyelets and laces are inserted.
- ladysmith — a city in W Natal, in the E Republic of South Africa: besieged by Boers 1889–1900.
- lastingly — continuing or enduring a long time; permanent; durable: a lasting friendship.
- latchkeys — Plural form of latchkey.
- latensify — to increase the developability of (the latent image on a film or plate) after exposure.
- 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.
- lay waste — to consume, spend, or employ uselessly or without adequate return; use to no avail or profit; squander: to waste money; to waste words.
- layabouts — Plural form of layabout.
- lazy list — A list which is built using a non-strict constructor. Any head or tail of the list may be an unevaluated closure. Also known as streams since they may be used to carry a sequence of values from the output of one function to an input of another. See also Lazy evaluation.
- leastways — at least; at any rate; leastwise.
- leprosity — the state of being leprous
- lifestyle — the habits, attitudes, tastes, moral standards, economic level, etc., that together constitute the mode of living of an individual or group.
- lithocyst — a sac, containing otoliths, found in many invertebrates, supposedly connected to hearing and orientation
- lobbyists — Plural form of lobbyist.
- logotypes — Plural form of logotype.
- loutishly — In a loutish manner.
- loyalists — Plural form of loyalist.
- loyalties — Plural form of loyalty.
- lustfully — full of or motivated by lust, greed, or the like: He was an emperor lustful of power.
- lymphitis — (archaic) lymphadenopathy.
- lyndhurst — a township in NE New Jersey.
- lyricists — Plural form of lyricist.
- lysimeter — an instrument for determining the amount of water-soluble matter in soil.
- lyubertsy — a city in the W Russian Federation in Europe, SE of Moscow.
- macrocyst — a large cyst or spore case, especially the encysted, resting plasmodium of a slime mold.
- magistery — an agency or substance, as in alchemy, to which faculties of healing, transformation, etc., are ascribed.
- mainstays — Plural form of mainstay.
- mantyhose — a one-piece clinging garment covering the body from the waist to the feet, worn by men
- manyattas — Plural form of manyatta.
- martyrise — Alt form martyrize.
- martyrish — a person who willingly suffers death rather than renounce his or her religion.
- massivity — consisting of or forming a large mass; bulky and heavy: massive columns.
- mastocyte — Mast cell.
- mastology — Mammalogy.
- mastopexy — fixation of a pendulous breast.
- mateyness — The state of being matey, camaraderie, chumminess.
- matsuyama — a seaport on NW Shikoku, in SW Japan.
- megabytes — Plural form of megabyte.