治る

1. Origins, structure, and basic meaning

• Structure: 治る(なおる) is an intransitive verb describing an illness or injury getting better.
• Basic usage: In 風邪が治る, が marks the illness or symptom that improves.

2. Common pitfalls and similar expressions

• Getting better and bringing about recovery
  • 治す(なおす) is a transitive verb for curing an illness or healing an injury.
  • In 病気を治す, を marks the illness to be cured.
• The homophone 直る
  • 直る is also read なおる, but is used for a fault or incorrect state being put right.