How to say "testimony" in Japanese

• 証明しょうめいJLPT N3approx.Common
  noun, suru verb, transitive verbReally means proof, verification or demonstration — establishing that something is true. 'Testimony' is only a marginal sense here; for a witness's spoken account, 証言 is the word you want.
  私が間違まちがっていない事ことを証明しょうめいしよう。↗

  I'll show you that I am right.
• 証言しょうげんJLPT N1approx.Common
  noun, suru verb, transitive verbThis is the word for testimony as a spoken account given by a witness — what someone saw or heard — typically in court or to investigators; it also covers verbal evidence generally.
  またヨハネは証言しょうげんして言いった。↗

  Then John gave this testimony.
• 供述きょうじゅつCommon
  noun, suru verb, transitive verbA legal term for a statement of facts made to investigators or a court, covering senses such as affidavit and deposition; choose it for official, procedural testimony rather than everyday accounts.
  彼かれの供述きょうじゅつの真実性しんじつせいは疑うたがわしいと思おもう。↗

  I doubt the veracity of his statement.
• 証あかしJLPT N1approx.Common
  nounLeans toward proof, evidence or a sign — something that attests to a fact or stands as living proof of it. For a witness's spoken account in a legal setting, 証言 or 供述 fit better.
  しかし、あなた方かたは私わたしたちの証あかしを受け入うけいれません。↗

  But still you people do not accept our testimony.

Use 証言 for a witness's spoken account, 供述 for formal legal statements such as depositions, 証 for something that stands as proof or a sign, and 証明 for proof or verification rather than testimony.

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

• 証明しょうめいproof
• 証言しょうげんtestimony
• 供述きょうじゅつaffidavit
• 証あかしproof
• 供述書きょうじゅつしょaffidavit