公債|こうさいkousai[0]heiban (flat)

1. nounpublic debt; public bond; government securities
   戦争せんそうの資金しきんを調達ちょうたつするために公債こうさいが発行はっこうされた。↗

   Bonds were issued to finance a war.

• Synonym公債証書WrittenRefers to the certificate itself representing a public bond; an explanatory, rare term in written/formal prose — normally just say 「公債」 or 「国債」.
• Related社債しゃさいNeutralBonds issued by companies, as opposed to 「公債」 issued by the government or local public bodies. Neutral in register.

Use 「公債」 for bonds issued by the state or local governments, as in 「公債発行」; say 「国債」 for state-issued bonds and 「社債」 for corporate bonds. 「公債証書」 is a rare written term for the certificate itself.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 国くにや地方公共団体ちほうこうきょうだんたいが財源ざいげんを調達ちょうたつするために負おう債務さいむのこと。また、そのために発行はっこうされる債券さいけん。