How to say "constable" in Japanese

• 警官けいかんJLPT N5approx.Common
  nounCovers 'constable' in the everyday sense of a police officer. This is the word you want for ordinary references to a policeman, as in news reports or when describing someone on the street.
  ２０人にんの警官けいかんが現場げんばに現あらわれた。↗

  Twenty police have arrived on the scene.
• 巡査じゅんさJLPT N2approx.Common
  nounAlso glossed 'constable', but it is really the official police rank title, the lowest rank of officer. You will mainly meet it in formal, administrative, or older-style contexts rather than everyday speech.
  すぐに巡査じゅんさが呼よびにやられた。↗

  A policeman was sent for at once.

For 'constable' meaning a police officer generally use 警官; 巡査 is the formal rank/title wording used mainly in official or historical police contexts.

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

• 警官けいかんpolice officer
• 巡査じゅんさpolice officer
• 捕方とりかたconstable