9-letter words containing a, s, t, u, r, i
- securitan — a person believing they are secure
- septarium — a concretionary nodule or mass, usually of calcium carbonate or of argillaceous carbonate of iron, traversed within by a network of cracks filled with calcite and other minerals.
- sextarius — an ancient Roman measurement for volume
- signature — a person's name, or a mark representing it, as signed personally or by deputy, as in subscribing a letter or other document.
- simulator — a person or thing that simulates.
- spiritual — of, relating to, or consisting of spirit; incorporeal.
- sterculia — any of various tropical trees of the genus Sterculia, of which some species are grown as ornamentals and some are the source of commercially valuable wood.
- stirabout — porridge.
- striature — the way something is striated
- subarctic — of, pertaining to, similar to, or being the region immediately south of the Arctic Circle; subpolar.
- submatrix — a set of certain rows and columns of a given matrix.
- suctorial — adapted for sucking or suction, as an organ; functioning as a sucker for imbibing or adhering.
- suctorian — a suctorial animal.
- sugar tit — a piece of cloth containing moist sugar, wrapped to resemble a nipple and used to pacify an infant.
- sugar-tit — a piece of cloth containing moist sugar, wrapped to resemble a nipple and used to pacify an infant.
- summarist — a person who summarizes
- supinator — a muscle used in supination.
- sustainer — a person or thing that sustains.
- taruntius — a crater in the first quadrant of the face of the moon: about 38 miles (61 km) in diameter.
- tessitura — the general pitch level or average range of a vocal or instrumental part in a musical composition: an uncomfortably high tessitura.
- togavirus — a virus belonging to the Togaviridae family and which usually affects birds and mammals rather than humans
- trachinus — a weever fish
- tracksuit — a sweat suit, usually with a long-sleeved jacket and long pants, worn by athletes, especially runners, before and after actual competition or during workouts.
- trapezius — a broad, flat muscle on each side of the upper and back part of the neck, shoulders, and back, the action of which raises, or rotates, or draws back the shoulders, and pulls the head backward or to one side.
- trigamous — of or relating to trigamy or a trigamist.
- triradius — a Y -shaped group of ridges on the palm of the hand at the base of each finger.
- turkistan — a vast region in W and central Asia, E of the Caspian Sea: includes territory in the S central part of Xinjiang province in China (Eastern Turkestan or Chinese Turkestan) a strip of N Afghanistan, and the area (Russian Turkestan) comprising the republics of Kazakhstan, Kirghizia (Kyrgyzstan), Tadzhikistan (Tajikistan), Turkmenistan, and Uzbekistan.
- unfairest — most unfair
- utraquist — Calixtine.
- ziggurats — Plural form of ziggurat.