| during the iron age | 7 | temporal |
| exclusively | 2 | degree |
| usually | 2 | degree |
| weapon → be made of → steel | 17 |
| weapon → be made from → steel | 14 |
| weapon → be → steel | 8 |
| weapon → use → steel | 3 |
| negative | neutral | positive |
| 0.177 | 0.721 | 0.102 |
| Raw frequency | 42 |
| Normalized frequency | 0.534 |
| Modifier score | 0.867 |
| Perplexity | 73.560 |