| 公 |
gōng hán | official letter |
| 公 |
gōng | public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位 / honorable (gentlemen) / father-in-law / male (animal) |
| 函 |
hán | envelope / case / letter |
| 函 |
hán | variant of 函 |