重複

1. Origins, structure, and basic meaning

• Structure: 重複 is read as ちょうふく and means “duplication” and “overlap”.
• Basic usage: It denotes duplicate names on a list and overlap in content that editors try to avoid.

2. Common pitfalls and similar expressions

• 名前が重複する / 内容の重複を避ける
  • Use 名前が重複する for the state and 内容の重複を避ける for preventing overlap.