隠れ借金[kakureshakkin] hidden debts
永代借地[eitaishakuchi] perpetual lease
円借款[enshakkan] international yen loan
恩借[onshaku] loan
仮借[kashaku] borrowing

間借り[magari] renting a room
借り[kari] borrowing
借りっ放し[karippanashi] borrowing without returning
借りる[kariru] to borrow
借り衣裳[kariishou] borrowed clothes

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)