8-letter words that end in in
- steapsin — the lipase present in pancreatic juice.
- stickpin — a decorative straight pin with a jeweled or ornamented head and a long shaft with a sheath for encasing the point, used for holding an ascot or necktie in place.
- stolypin — Petr Arkadievich. 1863–1911, Russian conservative statesman: prime minister (1906–11). He instituted agrarian reforms but was ruthless in suppressing rebellion: assassinated
- subbasin — a circular container with a greater width than depth, becoming smaller toward the bottom, used chiefly to hold water or other liquid, especially for washing.
- subtilin — an antibiotic peptide drug derived from Bacillus subtilis, predominantly used to combat various pathogenic fungi as well as Gram-positive bacteria
- suzerain — a sovereign or a state exercising political control over a dependent state.
- swanskin — the skin of a swan, with the feathers on.
- swear in — to make a solemn declaration or affirmation by some sacred being or object, as a deity or the Bible.
- swim fin — one of a pair of flippers.
- syntonin — a substance found in muscle tissue
- sysadmin — a computer system administrator
- szczecin — a seaport in NW Poland: formerly in Germany.
- tail fin — a membranous, winglike or paddlelike organ attached to any of various parts of the body of fishes and certain other aquatic animals, used for propulsion, steering, or balancing.
- tailspin — spin (def 23).
- taker-in — licker-in.
- talapoin — a small, yellowish guenon monkey, Micropithecus (Cercopithecus) talapoin, of western Africa.
- taliesin — flourished a.d. c550, Welsh bard.
- tastevin — small shallow cup for wine tasting
- teach-in — a prolonged period of lectures, speeches, etc., conducted without interruption by members of the faculty and invited guests at a college or university as a technique of social protest.
- tefillin — either of two small, boxlike leather cases holding slips inscribed with certain Scriptural passages, fastened, using leather thongs, one to the forehead and the other to the arm, by Orthodox or Conservative Jewish men during weekday morning prayer: see Deut. 6:4-9
- teraglin — an edible marine fish, Zeluco atelodus, of Australia which has fine scales and is blue in colour
- terrapin — any of several edible North American turtles of the family Emydidae, inhabiting fresh or brackish waters, especially the diamondback terrapin: some are threatened or endangered.
- the wain — Charles's Wain
- theremin — a musical instrument with electronic tone generation, the pitch and tone volume being controlled by the distance between the player's hands and two metal rods serving as antennas.
- tholepin — thole1
- thrombin — an enzyme of the blood plasma that catalyzes the conversion of fibrinogen to fibrin, the last step of the blood clotting process.
- throw in — to propel or cast in any way, especially to project or propel from the hand by a sudden forward motion or straightening of the arm and wrist: to throw a ball.
- thumbkin — thumbscrew (def 2).
- thymosin — a hormone, produced by the thymus gland, that promotes the development of T cells from stem cells.
- thyroxin — Biochemistry. the thyroid gland hormone that regulates the metabolic rate of the body.
- tientsin — Older Spelling. Tianjin.
- trade in — the act or process of buying, selling, or exchanging commodities, at either wholesale or retail, within a country or between countries: domestic trade; foreign trade.
- trade-in — goods given in whole or, usually, part payment of a purchase: We used our old car as a trade-in for the new one.
- triolein — olein (def 1).
- troponin — a protein within a troponin complex that helps regulate the heartbeat and can be used as an indicator of myocardial infarction.
- tuned in — If someone is tuned in to something, they are aware of it and concentrating on it.
- turnskin — (in folklore) a creature that can change its skin, esp a werewolf
- uncoffin — to take out of a coffin
- underpin — to prop up or support from below; strengthen, as by reinforcing a foundation.
- urobilin — a brownish pigment found in faeces and sometimes in urine. It is formed by oxidation of urobilinogen, a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine
- usher in — escort inside
- vacherin — a soft French or Swiss cheese made from cows' milk
- vanillin — a white, crystalline, water-soluble, alcohol-soluble solid, C 8 H 8 O 3 , obtained by extraction from the vanilla bean or prepared synthetically: used chiefly as a flavoring agent and in perfumery.
- vi lenin — V(ladimir) I(lyich) [vlad-uh-meer il-yich;; Russian vluh-dyee-myir ee-lyeech] /ˈvlæd əˌmɪər ˈɪl yɪtʃ;; Russian vlʌˈdyi myɪr iˈlyitʃ/ (Show IPA), (Vladimir Ilyich Ulyanov"N. Lenin") 1870–1924, Russian revolutionary leader: Soviet premier 1918–24.
- viomycin — an antibiotic used in the treatment of tuberculosis
- vitellin — a phosphoprotein in the yolk of eggs.
- warfarin — a colorless, crystalline, water-insoluble anticoagulant, C 19 H 16 O 4 , used chiefly as a rodenticide.
- wastebin — A wastebasket; a bin used for household or office waste.
- weigh in — the act or an instance of weighing in: After the weigh-in the fighters posed for photographers.
- weigh-in — the act or an instance of weighing in: After the weigh-in the fighters posed for photographers.