| Answer | Crossword Clue |
|---|---|
| ANTIGEN | A stimulant of sorts |
| COCA | Botanical source of a certain stimulant |
| REACT | Respond to a stimulant. |
| BETEL | Nut that's a mild stimulant |
| BETELNUT | Mild stimulant from a tree |
| KOLA | Nut chewed as a stimulant |
| BETELNUT | Mild stimulant from a palm tree |
| DIGITALIS | Its leaves are used as a heart stimulant |
| QAT | African plant whose leaves are chewed as a stimulant |
| QAT | Yemeni shrub whose leaves are chewed as a stimulant |
| QAT | Middle Eastern shrub whose leaves are chewed as a stimulant |
