| 古 |
gǔ kē jiǎn | (loanword) cocaine |
| 古 |
Gǔ | surname Gu |
| 古 |
gǔ | ancient / old / paleo- |
| 古 |
gǔ kē | (botany) coca (source of cocaine) |
| 柯 |
Kē | surname Ke |
| 柯 |
kē | (literary) branch; stem; stalk / (literary) ax handle |
| 碱 |
jiǎn | variant of 碱 |
| 碱 |
jiǎn | (chemistry) base; alkali; soda |