con·tor·tion·ist 
(kən-tôrshə-nĭst)
(kən-tôrshə-nĭst)n.
One who contorts, especially an acrobat capable of twisting into extraordinary positions.
con·tor′tion·istic adj.
- quash
- quasi
- quasi-
- quasicrystal
- quasicrystalline
- Quasimodo
- quasiparticle
- quasi-stellar object
- quassia
- quatercentenary
- quaternary
- quaternary ammonium compound
- quaternary structure
- quaternion
- quatrain
- quatrefoil
- quattrocento
- quattuordecillion
- quattuordecillionth
- quaver
- quaveringly
- quavery
- quay
- quayage
- Quayle