お風呂に入る[ofuronihairu] to take a bath
鍬入れ式[kuwaireshiki] ground-breaking ceremony
塵入[gomiire] trashcan
キー入力[kiinyuuryoku] key (input)
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test

メスを入れる[mesuwoireru] to operate
圧入[atsunyuu] indentation
移入[inyuu] importation
一寝入り[hitoneiri] nap
一入[hitoshio] still more

学習塾[gakushuujuku] private night-school
義塾[gijuku] private school
私塾[shijuku] private school (in house)
塾生[jukusei] private-school student
塾長[jukuchou] principal of a private school

家塾[kajuku] (historical) government-backed school operated by a scholar out of his home
英語塾[eigojuku] private school for the study of English
入塾[nyuujuku] entering a private school
進学塾[shingakujuku] cramschool (for boys and girls who wish to go on to the next stage of education)