一いっ件けん

• 事じ件けんN3

  事件 means an incident or affair in a general sense, while 一件 specifically refers to a single matter or case being counted or referred to.

• 一いっ軒けん

  一軒 (いっけん) counts houses or buildings, while 一件 (いっけん) counts cases, matters, or incidents; they sound identical but refer to completely different things.

• 一いっ件けん書しょ類るい

  case file; dossier; all documents related to a case

• 一いっ件けん落らく着ちゃく

  case closed; issue settled

Compound of 一 (one) and 件 (matter, item, case). The reading いっけん follows regular sound changes for 一 before a k-row kanji.