| very | 9 | degree |
| in more recent applications | 3 | temporal |
| with nitrogen | 2 | other |
| hydrogen → be → pure | 15 |
| hydrogen → be used → pure | 3 |
| negative | neutral | positive |
| 0.036 | 0.517 | 0.447 |
| Raw frequency | 18 |
| Normalized frequency | 0.333 |
| Modifier score | 0.500 |
| Perplexity | 486.190 |