| 老耄 | lao3 mao4 | senile |
| 耄 | mao4 | octogenarian |
| 耄耋 | mao4 die2 | extremely aged |
| 惛耄 | hun1 mao4 | senile |
| 耄倪 | mao4 ni2 | old and young |
| 耄思 | mao4 si1 | to be upset or disturbed |
| 耄期 | mao4 qi1 | to have reached the age of eighty or ninety |
| 耄龄 | mao4 ling2 | old age |
| 谬耄 | miu4 mao4 | feeble-minded and senile |
| 耄耋之年 | mao4 die2 zhi1 nian2 | old age (in one's 80s, 90s, or more) |