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

一刀[ittou] sword
一刀彫り[ittoubori] one-knife carving
一刀両断[ittouryoudan] cutting in two with a single stroke
印刀[intou] seal-engraving knife
円刃刀[enjintou] round-edged scalpel

快刀[kaitou] (literary) sharp sword
快刀乱麻[kaitouranma] solving a problem swiftly and skillfully
懐刀[futokorogatana] confidant
儀刀[gitou] ceremonial sword
軍刀[guntou] saber