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)

その反面[sonohanmen] on the other hand
に反して[nihanshite] against
違反者[ihansha] violator (of a law)
違反[ihan] violation (of law)
一律減反[ichiritsugentan] reduction in area of rice under cultivation

陰性反応[inseihannou] negative reaction (in patient)
化学反応[kagakuhannou] chemical reaction
可逆反応[kagyakuhannou] reversible reaction
核反応[kakuhannou] nuclear reaction
核反応炉[kakuhannouro] nuclear reactor

ぶっ通し[buttooshi] continuous
イタルタス通信[itarutasutsuushin] ITAR-TASS News Agency
インタファクス通信[intafakusutsuushin] Interfax news agency
シリアル通信[shiriarutsuushin] serial communication
タス通信[tasutsuushin] TASS News Agency

データ通信[deetatsuushin] data communication
パソコン通信[pasokontsuushin] personal computer communication
パラレル通信[pararerutsuushin] parallel communication
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
ロイター通信[roitaatsuushin] Reuters (news agency)

に違いない[nichigainai] I am sure
違い[chigai] difference
違う[chigau] to differ (from)
違える[chigaeru] to change
違憲[iken] unconstitutionality

違算[isan] miscalculation
違式[ishiki] informality
違背[ihai] violation
違犯者[ihansha] violator (of a law)
違犯[ihan] violation (of law)