| 夫妻 | fu1 qi1 | married couple |
| 一对 | yi1 dui4 | pair |
| 夫妇 | fu1 fu4 | a (married) couple |
| 耦合 | ou3 he2 | to be coupled (with sth) |
| 灯泡 | deng1 pao4 | lightbulb |
| 新婚 | xin1 hun1 | newly wed |
| 老伴 | lao3 ban4 | better half |
| 对联 | dui4 lian2 | paired couplet |
| 鸳鸯 | yuan1 yang1 | lovers |
| 对儿 | dui4 er2 | couplet |
| 亲情 | qin1 qing2 | affection |
| 对偶 | dui4 ou3 | spouse |
| 热电偶 | re4 dian4 ou3 | thermocouple |