How to say "prove" in Japanese

• 裏付けるうらづけるCommon
  ichidan verb, transitive verbProving in the sense of substantiating: backing up a theory, claim, or statement with evidence or facts. Use it when proof means support, not when something merely turns out a certain way.
  私の意見いけんを裏付うらづける証拠しょうこはたくさんある。↗

  I have a couple of pieces of evidence to support my opinion.
• なるJLPT N5approx.Common
  godan verb, intransitive verbCovers prove (to be): something that turns out or ends up being a certain way. It is the general verb to become or result in, and is usually written in kana alone.
  １週間しゅうかんしてそのニュースは本当ほんとうになった。↗

  The news turned out true in a week.
• 物語るものがたるJLPT N2approx.Common
  godan verb, transitive verbProves in the sense that a fact or thing itself tells of something, showing or indicating it. It is really to tell of or show, with the fact or evidence as the subject.
  子供こどもが健康けんこうだということは母親ははおやの育そだて方かたが立派りっぱであるということを物語ものがたる。↗

  The child's good health says a great deal for maternal care.

Use 「裏付ける」 when evidence backs up a claim or theory, 「なる」 for prove (to be) meaning turn out, and 「物語る」 when a fact or thing itself shows or attests something.

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

• 裏付けるうらづけるto support (a theory, claim, etc.)
• 証するしょうするto prove
• 証拠だてるしょうこだてるto prove
• 証すあかすto prove
• 証すしょうすto prove
• 証を立てるあかしをたてるto prove
• 明かすあかすto prove
• なるto result in
• 物語るものがたるto tell of