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

ちくちく痛む[chikuchikuitamu] to prickle
哀痛[aitsuu] sorrowing with the bereaved
圧痛点[attsuuten] pressure point
胃痛[itsuu] stomach-ache
筋肉痛[kinnikutsuu] muscular pain

苦痛[kutsuu] pain
腰痛[youtsuu] lower back (or hip) pain
手痛い[teitai] severe
陣痛[jintsuu] labour (birth) pains
精神的苦痛[seishintekikutsuu] mental anguish