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

鴨嘴[kamonohashi] platypus (Ornithorhynchus anatinus)
砂嘴[sashi] spit (geography)
巨嘴鳥[oohashi] toucan
鶴嘴[tsuruhashi] pickaxe
嘴細鴉[hashibosogarasu] carrion crow (Corvus corone)

嘴太鴉[hashibutogarasu] jungle crow (Corvus macrorhynchos)
嘴黒鶲[hashigurohitaki] northern wheatear (Oenanthe oenanthe)
嘴細啄木鳥[hashibosokitsutsuki] northern flicker (species of bird, inc. the yellow-shafted flicker and the red-shafted flicker, Colaptes auratus)
黄嘴鶸[kibashihiwa] twite (species of finch, Carduelis flavirostris)

サハラ砂漠[saharasabaku] Sahara Desert
黄砂[kousa] loess
角砂糖[kakuzatou] cube sugar
玉砂利[tamajari] gravel
黒砂糖[kurozatou] brown sugar

砂子[isago] sand
砂岩[sagan] sandstone
砂丘[sakyuu] sand dune
砂金[sakin] gold dust
砂時計[sunadokei] hourglass