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

鎌鼬[kamaitachi] type Japanese folkloric monster (yokai), thought to be a trio of weasels who appear in a whirlwind to cut their victim
鼬鼠[itachi] weasel (esp. the Japanese weasel, Mustela itatsi)
鼬ごっこ[itachigokko] doing the same thing repeatedly
鼬の道[itachinomichi] not to write to or visit someone
鼬の最後っ屁[itachinosaigoppe] final emergency measure (lit: the final fart of a weasel)

鼬鮫[itachizame] tiger shark (Galeocerdo cuvier)
黄鼬[ten] Japanese marten (Martes melampus)
毛長鼬[kenagaitachi] polecat (Mustela putorius)
鼬魚[itachiuo] goatsbeard brotula (species of ophidiiform fish, Brotula multibarbata)
朝鮮鼬[chousenitachi] Korean yellow weasel (Mustela sibirica coreana)