| very | 9 | degree |
| often | 6 | degree |
| to recognise as an identifiable thing | 6 | other |
| title → be → difficult | 37 |
| title → be → hard | 22 |
| title → be → harder | 4 |
| negative | neutral | positive |
| 0.439 | 0.413 | 0.148 |
| Raw frequency | 63 |
| Normalized frequency | 0.516 |
| Modifier score | 0.738 |
| Perplexity | 255.936 |