アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
データ交換[deetakoukan] data exchange
パリティ変換[paritihenkan] parity transformation (physics)
メール交換[meerukoukan] exchange of letters
意見交換[ikenkoukan] exchange of ideas

引換て[hikikaete] on the contrary
下位互換性[kaigokansei] downward compatibility
かな漢字変換[kanakanjihenkan] kana-kanji conversion (on a computer, etc.)
可換群[kakangun] Abelian group
賀詞交換[gashikoukan] New Year greetings (parties)

鞍替え[kuragae] changing jobs
為替[kawase] money order
為替レート[kawasereeto] exchange rate
為替管理[kawasekanri] exchange control
為替銀行[kawaseginkou] exchange bank

為替手形[kawasetegata] draft
為替尻[kawasejiri] balance of exchange
為替相場[kawasesouba] exchange rates
遺伝因子組替え[ideninshikumikae] recombinant gene splicing
井戸替え[idogae] well cleaning