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

出臍[debeso] protruding navel
膃肭臍[ottosei] fur seal (esp. the northern fur seal, Callorhinus ursinus)
お臍[oheso] navel
臍のゴマ[hesonogoma] belly-button lint
臍の緒[hesonoo] umbilical cord

臍下[seika] lower abdomen
臍下丹田[seikatanden] pit of the stomach
臍曲り[hesomagari] perverseness
臍繰り[hesokuri] secret savings
臍繰り金[hesokurigane] secret savings