巡査

1. Origins, structure, and basic meaning

• Structure: 巡査 is read as じゅんさ and is a noun for a police constable or officer, with a more rank-specific sense than the general term for police personnel.
• Basic usage: Use 交番の巡査 for station affiliation and 物語の巡査 for a constable as a story character.

2. Common pitfalls and similar expressions

• Scope versus 警察官
  • 警察官 covers police officers regardless of rank, while 巡査 can denote a more specific constable rank.
• Verbs used with the role
  • The officer is the human subject in patterns such as 巡査が連れてくる and 巡査が見回る.