| very | 16 | degree |
| as old boots | 5 | other |
| extremely | 4 | degree |
| leather → be → tough | 132 |
| leather → be → tough wearing | 16 |
| leather → be → tough using | 12 |
| leather → be → tough material | 11 |
| negative | neutral | positive |
| 0.114 | 0.360 | 0.525 |
| Raw frequency | 171 |
| Normalized frequency | 0.522 |
| Modifier score | 1.000 |
| Perplexity | 211.896 |