ない交ぜにする[naimazenisuru] to blend (e.g. truth and lies)
データ交換[deetakoukan] data exchange
メール交換[meerukoukan] exchange of letters
リーダー交代[riidaakoutai] leadership change
意見交換[ikenkoukan] exchange of ideas

一方交通[ippoukoutsuu] one-way traffic
羽交絞め[hagaijime] pinioning
仮名交じり[kanamajiri] mixed writing (characters and kana)
仮名交じり文[kanamajiribun] mixed writing (characters and kana)
賀詞交換[gashikoukan] New Year greetings (parties)

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

御坊ちゃん[obocchan] son (of others)
いたずら坊主[itazurabouzu] mischievous boy
御坊[onbou] cemetery guard
丸坊主[marubouzu] close-cropped head
黒ん坊[kuronbou] dark-skinned person

桜ん坊[sakuranbo] (edible) cherry
三日坊主[mikkabouzu] one who can stick to nothing
次男坊[jinanbou] second son
照々坊主[teruterubouzu] paper doll to which children pray for fine weather (usu. white, and shaped like a Buddhist priest)
食いしん坊[kuishinbou] glutton