| for centuries | 11 | temporal |
| in general use | 6 | other |
| before the first homo | 5 | temporal |
| herb → be used for → medicine | 35 |
| herb → be used for → medicinal purposes | 19 |
| herb → be used as → medicine | 18 |
| herb → be used in → medicine | 16 |
| herb → be used for → medical purposes | 5 |
| herb → be used → medicinally | 5 |
| negative | neutral | positive |
| 0.065 | 0.781 | 0.154 |
| Raw frequency | 98 |
| Normalized frequency | 0.870 |
| Modifier score | 0.617 |
| Perplexity | 103.224 |