| very | 16 | degree |
| to the point of indestructible | 10 | other |
| for rocks | 7 | purpose |
| tire → be → hard | 69 |
| tire → be → tough | 58 |
| tire → be hard to → beat | 4 |
| negative | neutral | positive |
| 0.295 | 0.431 | 0.274 |
| Raw frequency | 131 |
| Normalized frequency | 0.603 |
| Modifier score | 0.600 |
| Perplexity | 227.858 |