report · repay

1. Origins, structure, and basic meaning

• Structure: 報 expresses reporting or repaying; its on-reading is ほう, and the verb reading is むくいる.
• Basic usage: 報いる(むくいる) means to repay, while 報告(ほうこく) means a report or reporting.

2. Common pitfalls and similar expressions

• Repaying support and conveying results
  • 支援に成果で報いたい means wanting to repay support with results. 報いる applies to responding to help or trust.
  • 報告しました in the example means that the survey results were reported to the team leader. 報告 concerns conveying findings or results to another person.