| in places | 5 | location |
| to erosion | 5 | purpose |
| very | 4 | degree |
| rock → be → fragile | 13 |
| rock → be → vulnerable | 11 |
| rock → become → fragile | 3 |
| negative | neutral | positive |
| 0.518 | 0.402 | 0.080 |
| Raw frequency | 27 |
| Normalized frequency | 0.444 |
| Modifier score | 0.867 |
| Perplexity | 216.924 |