弄り回す[ijirimawasu] to tinker with
どさ回りをやる[dosamawariwoyaru] to go on tour
螺子回し[nejimawashi] screwdriver
ウイック回転[uikkukaiten] Wick rotation
挨拶回り[aisatsumawari] courtesy call

一回[ikkai] once
ひと回り[hitomawari] one turn
一回忌[ikkaiki] first death anniversary
一回戦[ikkaisen] first game
一回分[ikkaibun] dose

盥回し[taraimawashi] acrobatic barrel-rolling (performed using the feet while lying on the back)
金盥[kanadarai] metal basin

盥船[taraibune] tub boat
盥漱[kansou] washing one's hands and rinsing one's mouth