補う

1. Origins, structure, and basic meaning

• Structure: 補う is read おぎなう.
• Basic usage: It means supplementing something that is insufficient or filling something that is missing.

2. Common pitfalls and similar expressions

• A gap in an explanation
  • 足りない部分を図で補う means using a diagram to supplement missing information.
• Filling a vacancy
  • 欠員を補う means filling a vacant position with another person.