証書|しょうしょshousho[0]heiban (flat)

1. noundocument (of proof); certificate; paper; bond; deed
   証書しょうしょ貸付かしつけは連帯保証人れんたいほしょうにんが必要ひつようでした。↗

   Loan on deeds needed the joint surety.

• Synonym証明書しょうめいしょNeutralA certificate such as 「在学証明書」; leans toward proving identity or facts, while 「証書」 leans toward formal credentials like contracts or degrees.
• Relatedお墨付きおすみつきCasualColloquial: an authority's endorsement or seal of approval, as in 「専門家のお墨付き」; mostly figurative today, though it began as a document signed by a shogun or lord.
• Related確認書かくにんしょNeutralA written confirmation; leans toward confirming content in business dealings.
• Related保証書ほしょうしょNeutralA document stating a guarantee, e.g. a product warranty card or a debt guarantee; 「証書」 is the broader term for documents proving rights and obligations.
• Related認定証にんていしょうFormalFormal: a certificate of official recognition; leans toward certifying qualifications.
• Related鑑札かんさつFormalFormal: an official permit tag, e.g. a business licence or a dog registration tag; leans toward official licences.
• Related免許状めんきょじょうWrittenWritten register: a licence certificate such as 「教員免許状」; leans toward professional qualifications.
• Related証票しょうひょうWrittenWritten register: a proof ticket or voucher; leans toward small vouchers and slips rather than formal documents.
• Related認可証にんかしょうFormalFormal: a licence or charter; leans toward official administrative approval.

Use 「証書」 for formal documents proving rights, obligations or academic credentials, as in 「卒業証書」, 「公正証書」 or 「借用証書」. For papers proving identity or facts say 「証明書」; for guarantees 「保証書」; for professional licences 「免許状」 or 「免許証」; for business confirmations 「確認書」.

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

1. ある事柄ことがらが確たしかであることを証明しょうめいする文書ぶんしょ。