6-letter words containing a, u, s, t
- tussal — pertaining to tussis.
- tutsan — a woodland shrub, Hypericum androsaemum, of Europe and W Asia, having yellow flowers and reddish-purple fruits: family Hypericaceae
- uncast — to throw or hurl; fling: The gambler cast the dice.
- unitas — John Constantine ("Johnny"; "Johnny U") 1933–2002, U.S. football player.
- unseat — to dislodge from a seat, especially to throw from a saddle, as a rider; unhorse.
- upcast — an act of casting upward.
- upstay — to support or sustain
- ushant — an island off the NW coast of France: naval battles 1778, 1794. 4½ miles (7 km) long.
- vastus — any of several muscles in the front part of the thigh constituting part of the quadriceps muscle, the action of which assists in extending the leg.
- watusi — Tutsi.