- 国 — country / nation
- 外国 — foreign country
- 中国 — China
- 国語 — national language / Japanese
- 国民 — citizens / people of a country
- 国立 — national (institution)
国 uses the radical 囗 (enclosure) with 玉 (treasure), originally referring to a protected territory. Over time, it came to mean a country, nation, or state.