| on the banks of rivers | 6 | location |
| very | 4 | degree |
| through north america | 2 | location |
| willow → be → abundant | 12 |
| willow → grow in → abundance | 3 |
| negative | neutral | positive |
| 0.014 | 0.471 | 0.515 |
| Raw frequency | 15 |
| Normalized frequency | 0.721 |
| Modifier score | 0.400 |
| Perplexity | 482.948 |