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)

この外[konohoka] besides
その外[sonota] etc.
ピントが外れる[pintogahazureru] to be out of focus
案外[angai] unexpectedly
もっての外[mottenohoka] absurd

以外[igai] with the exception of
意外[igai] unexpected
意想外[isougai] unexpected
域外[ikigai] outside the area
員外[ingai] non-membership

汚染源[osengen] source of pollution
音源[ongen] sound source
禍源[kagen] source of misfortune
供給源[kyoukyuugen] source of supply
経営資源[keieishigen] management resource

源氏物語[genjimonogatari] the Tale of the Genji
源泉[gensen] source
源流[genryuu] current-limiting
語源[gogen] word root

隠匿物資[intokubusshi] concealed materials
運転資金[untenshikin] working capital
英資[eishi] brilliant qualities
海外投資[kaigaitoushi] overseas investment
外国投資家[gaikokutoushika] foreign investor

外資[gaishi] foreign capital (e.g. in a company)
学資[gakushi] school expenses
巨資[kyoshi] large capital
軍資[gunshi] war materiel
軍資金[gunshikin] war funds