9-letter words containing i, s, o, t, a, c
- psoriatic — a common chronic, inflammatory skin disease characterized by scaly patches.
- radiocast — a radiobroadcast.
- rhotacism — Historical Linguistics. a change of a speech sound, especially (s), to (r), as in the change from Old Latin lases to Latin lares.
- sailcloth — any of various fabrics, as of cotton, nylon, or Dacron, for boat sails or tents.
- sanctions — authoritative permission or approval, as for an action.
- santonica — the dried flower heads of any of several species of wormwood, belonging to the genus Artemisia, used as a vermifuge.
- sarcoptic — related to or caused by itch-mites that cause mange in animals
- satyricon — a satirical novel, interspersed with verse, written in the 1st century a.d. by Petronius, extant in fragments.
- scalation — an arrangement of scales, as on a fish.
- scapolite — any of a group of minerals of variable composition, essentially silicates of aluminum, calcium, and sodium, occurring as massive aggregates or tetragonal crystals.
- scazontic — relating to or consisting of scazons
- scholiast — an ancient commentator on the classics.
- sectional — pertaining or limited to a particular section; local or regional: sectional politics.
- sectorial — of or relating to a sector.
- simpatico — congenial or like-minded; likable: I find our new neighbor simpatico in every respect.
- socialist — an advocate or supporter of socialism.
- socialite — a socially prominent person.
- sociality — social nature or tendencies as shown in the assembling of individuals in communities.
- sociation — an association
- sociative — expressing accompaniment or association
- sociopath — a person with a psychopathic personality whose behavior is antisocial, often criminal, and who lacks a sense of moral responsibility or social conscience.
- sonicator — a device for treatment with ultrasound
- stanchion — an upright bar, beam, post, or support, as in a window, stall, ship, etc.
- stenopaic — (of an optic device) having a narrow opening devised to improve eyesight by limiting obscurations
- stoically — impassive; characterized by a calm, austere fortitude befitting the Stoics: a stoical sufferer.
- stomachic — of or relating to the stomach; gastric.
- stratonic — of or relating to an army
- subaction — an act of subduing
- subatomic — of or relating to a process that occurs within an atom.
- suctorial — adapted for sucking or suction, as an organ; functioning as a sucker for imbibing or adhering.
- suctorian — a suctorial animal.
- sulcation — having long, narrow grooves or channels, as plant stems, or being furrowed or cleft, as hoofs.
- sympatico — simpatico
- tailstock — a movable or sliding support for the dead center of a lathe or grinder.
- taoiseach — The prime minister of the Republic of Ireland is called the Taoiseach.
- tenacious — holding fast; characterized by keeping a firm hold (often followed by of): a tenacious grip on my arm; tenacious of old habits.
- tocantins — a river in E Brazil, flowing N to the Pará River. 1700 miles (2735 km) long.
- toscanini — Arturo [ahr-too r-oh;; Italian ahr-too-raw] /ɑrˈtʊər oʊ;; Italian ɑrˈtu rɔ/ (Show IPA), 1867–1957, Italian orchestra conductor, in the U.S. after 1928.
- tovarisch — comrade (used as a term of address in the Soviet Union).
- transonic — close to the speed of propagation of sound; moving at 700–780 miles per hour (1127–1255 km/h) at sea level.
- triclosan — a drug used to treat skin infections
- trifocals — glasses with trifocal lenses
- vasotocin — a chemical similar to oxytocin found in birds, fish, and some amphibians
- vasotonic — pertaining to or regulating the tone of the blood vessels.
- videocast — a television broadcast of the video only.
- vitaceous — belonging to the Vitaceae, the grape family of plants.
- vitascope — one of the first motion-picture projectors, developed by Thomas Edison.
- volcanist — a person who studies volcanoes
- wainscots — Plural form of wainscot.
- waistcoat — Chiefly British. vest (def 1).