| securely | 16 | manner |
| correctly | 12 | manner |
| on a headform | 8 | location |
| helmet → be → fastened | 34 |
| helmet → be → strapped | 20 |
| helmet → be → attached | 10 |
| helmet → be → mounted | 3 |
| negative | neutral | positive |
| 0.121 | 0.667 | 0.211 |
| Raw frequency | 67 |
| Normalized frequency | 0.606 |
| Modifier score | 0.975 |
| Perplexity | 55.561 |