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

ビット毎[bittogoto] bit-wise
丸毎[marugoto] in its entirety
事毎に[kotogotoni] in everything
日毎に[higotoni] daily

年毎に[toshigotoni] annually
半年毎に[hannengotoni] semiannually
毎に[gotoni] one by one
毎回[maikai] every time