- 老公公 lǎogōnggong old man(respectful) A way to address or refer to an elderly man, often used by children.
- 公公道道 gōnggongdàodào fair and equitablefair; just; equitable
- 公公须 gōnggongxū Japanese snake gourda climbing plant in the gourd family, Trichosanthes cucumeroides, native to East Asia, cultivated for its medicinal properties and ornamental fruit