悪習[akushuu] bad habit
悪習慣[akushuukan] bad habit
演習[enshuu] practice
演習問題[enshuumondai] practice problem
演奏練習[ensourenshuu] musical rehearsal

学習[gakushuu] study
学習者[gakushuusha] learner
学習塾[gakushuujuku] private night-school
学習用[gakushuuyou] tutorial
学習用ヘルプ[gakushuuyouherupu] tutorial help

お風呂に入る[ofuronihairu] to take a bath
微風[bifuu] gentle breeze
トルコ風呂[torukoburo] Turkish bath
風太郎[puutarou] vagabond
悪風[akufuu] vice

威風[ifuu] majesty
異風[ifuu] unusual customs
遺風[ifuu] tradition
一風[ippuu] eccentric
一風変った[ippuukawatta] eccentric