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

御墨付き[osumitsuki] handwriting
墨西哥[mekishiko] Mexico
亜墨利加[amerika] America
翰墨[kanboku] brush and ink
靴墨[kutsuzumi] shoe polish

古墨[koboku] old ink stick
水墨画[suibokuga] India-ink painting
白墨[hakuboku] blackboard chalk
筆墨[hitsuboku] stationery

一筋繩[hitosujinawa] (piece of) rope
墨繩[suminawa] inked marking string

繩張り[nawabari] roping off
繩目[nawame] knot (in rope, etc.)