征伐

1. Origins, structure, and basic meaning

• Structure: 征伐 is read as せいばつ and is a noun and する verb for subjugating or conquering an army, rebel force, monster, or similar opponent by force.
• Basic usage: Subjugating a rebel army appears in 反乱軍を征伐する, while defeating an ogre appears in 鬼を征伐する.

2. Common pitfalls and similar expressions

• The target takes を
  • The force or creature being subdued is marked with を, and the word readily appears in historical, military, or folktale contexts.
• Difference from 退治
  • Unlike the more everyday word for getting rid of a harmful animal or monster, this term has a formal sense of subjugating or punishing an opponent.