| 空 |
kòng yú | free / vacant / unoccupied |
| 空 |
kōng | empty / air / sky / in vain |
| 空 |
kòng | to empty / vacant / unoccupied / space / leisure / free time |
| 余 |
Yú | surname Yu |
| 余 |
yú | (literary) I; me / variant of 余 |
| 余 |
yú | extra / surplus / remaining / remainder after division / (following numerical value) or more / in excess of (some number) / residue (math.) / after / I / me |