- 忠誠 — loyalty; allegiance
- 忠実 — faithful; devoted
- 忠告 — advice; warning
- 忠義 — loyalty and righteousness
- 忠魂 — loyal soul; loyal spirit
- 忠臣 — loyal retainer
忠 combines the heart radical (心) with the sound element 中 (center), suggesting a heart that is centered, honest, and committed — expressing inward sincerity and loyal intent.
彼は 国に 忠を 尽くした。
He devoted his loyalty to his country.
忠告をありがとう。
Thank you for the advice.