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