Torsion rhymes with:
contortion, distortion, extortion, abortion, antiabortion, apportion, contortion, distortion, extortion, forshan, portion, proportion
Torsion sounds like:
tarquinio, tarzan, terracciano, terrorism, terzian, thoresen, thoreson, thorsen, thorson, threesome, tiresome, torgeson, torosian, torrejon, tourigny, tourism, trajan, treason, trism, trochmann, trojan, truchan, truism, turchin, turchyn, turgeon, turismo, turkmen