| very | 10 | degree |
| under the harshest conditions | 3 | temporal |
| exceptionally | 2 | degree |
| teak → be → tough | 15 |
| teak → be → hard | 11 |
| teak → be → harder | 6 |
| teak → be → difficult | 6 |
| teak → be → hard-wearing | 4 |
| negative | neutral | positive |
| 0.121 | 0.370 | 0.508 |
| Raw frequency | 42 |
| Normalized frequency | 0.789 |
| Modifier score | 0.500 |
| Perplexity | 228.217 |