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

位官[ikan] rank and official position
依願免官[iganmenkan] retirement at one's own request
尉官[ikan] officer below the rank of major
医官[ikan] medical officer
沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency

下士官[kashikan] non-commissioned officer
下士官兵[kashikanhei] enlisted man
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
会計官[kaikeikan] accountant
外交官[gaikoukan] diplomat