| nu | 二 | 二 | two | er4 |
| n | 二月 | 二月 | February | er4 yue4 |
| n | 二姐 | 二姐 | second older sister | er4 jie3 |
| n | 二等 | 二等 | second class | er4 deng3 |
| n | 二楼 | 二樓 | second floor | er4 lou2 |
| ph | 二人同心 | 二人同心 | two people of the same mind | er4 ren2 tong2 xin1 |
also see:
| 二百五 | 二百五 | idiot, stupid |
| nu | 二 | 二 | two | er4 |
| n | 二月 | 二月 | February | er4 yue4 |
| n | 二姐 | 二姐 | second older sister | er4 jie3 |
| n | 二等 | 二等 | second class | er4 deng3 |
| n | 二楼 | 二樓 | second floor | er4 lou2 |
| ph | 二人同心 | 二人同心 | two people of the same mind | er4 ren2 tong2 xin1 |
also see:
| 二百五 | 二百五 | idiot, stupid |