| 芥菜 | jie4 cai4 | mustard (Brassica juncea) |
| 芥子 | jie4 zi3 | |
| 芥子气 | gai4 zi3 qi4 jie4 zi3 qi4 | mustard gas |
| 芥末 | jie4 mo4 | wasabi |
| 芥兰 | gai4 lan2 | jielan |
| 芥 | gai4 jie4 | see 芥[gai4] |
| 天芥菜属 | tian1 gai4 cai4 shu3 | Heliotropium |
| 水田芥 | shui3 tian2 gai4 shui3 tian2 jie4 | watercress |
| 拾芥 | shi2 jie4 | a piece of cake |
| 芥蓝 | gai4 lan2 | also pr. [jie4 lan2] |
| 戊氮芥 | wu4 dan4 gai4 | pentamustine |
| 雌氮芥 | ci2 dan4 gai4 | estramustine |
| 南芥 | nan2 gai4 | southern jielan |