How to say "fingerprint" in Japanese

• 指紋しもんCommon
  nounThe common word for a fingerprint: the pattern on a fingertip or the mark it leaves, as when police identify a suspect or a device recognizes its owner.
  ナイフの指紋しもんが彼女かのじょの有罪ゆうざいの証拠しょうこである。↗

  The fingerprints on the knife attest to her guilt.
• フィンガープリント
  nounThe loanword equivalent, less common than 指紋 and meaning the same thing; unless a borrowed term is specifically wanted, 指紋 is the word you will usually want.

Both words translate fingerprint: 指紋 is the common word for the mark or pattern left by a fingertip, while 「フィンガープリント」 is a less common loanword with the same meaning, so 指紋 is usually the safer choice.

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

• 指紋しもんfingerprint
• フィンガープリントfingerprint