第だい二に級きゅう殺さつ人じん

• 第だい一いっ級きゅう殺さつ人じん

  First-degree murder, typically involving premeditation or special circumstances, and carrying a heavier penalty.

• 故こ殺さつ

  Manslaughter under Japanese law; a broader category that may overlap with some second-degree murder concepts but is not a direct equivalent.

• 第だい二に級きゅう殺さつ人じん

  Standard kanji spelling for this legal term.

• 第だい２に級きゅう殺さつ人じん

  Variant using numeral ２ instead of 二; common in legal or formal documents.

Compound of 第二級 (second rank/degree) and 殺人 (murder/homicide), likely a direct translation of the English legal term 'second-degree murder'.