証書(しょうしょ)

An official document that serves as written proof or evidence. Composed of 証(しょう) (proof) + 書(しょ) (document).

Compounds

• 卒業(そつぎょう)証書(しょうしょ): diploma, graduation certificate
• 借用(しゃくよう)証書(しょうしょ): promissory note, loan certificate
• 保険(ほけん)証書(しょうしょ): insurance policy
• 権利(けんり)証書(しょうしょ): title deed
• 贈与(ぞうよ)証書(しょうしょ): deed of gift

CONTRAST WITH 証明書(しょうめいしょ):
証明書(しょうめいしょ) is used for everyday administrative certificates (住民票(じゅうみんひょう), proof of residence; 在学(ざいがく)証明書(しょうめいしょ), enrollment certificate). 証書(しょうしょ) is more formal and refers to documents of greater legal weight, such as diplomas and deeds.