外債[gaisai] foreign loan
起債[kisai] issuing of bonds
旧債[kyuusai] old debt
軍事公債[gunjikousai] war bond
固定負債[koteifusai] fixed liabilities

公共債[koukyousai] government bond
公債[kousai] public debt
公社債[koushasai] public bonds
公募債[koubosai] public issue
国債[kokusai] national debt

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)

一坪本社[hitotsubohonsha] small company headquarters located in Tokyo simply for name value
一般社会[ippanshakai] general public
印刷社[insatsusha] printing company
運送会社[unsougaisha] shipping company
映画社[eigasha] movie company

下請会社[shitaukegaisha] subcontractor
下層社会[kasoushakai] the underworld
下流社会[karyuushakai] lower classes
会社[kaisha] company
会社員[kaishain] company employee

御転婆[otenba] tomboy
ウイック回転[uikkukaiten] Wick rotation
安全運転[anzenunten] safe driving
暗転[anten] theatrical blackout
移転[iten] moving

一転[itten] turn
一転機[ittenki] turning point
飲酒運転[inshuunten] drunken driving
運転[unten] operation
運転士[untenshi] driver