| for applying heat | 3 | purpose |
| commonly | 3 | temporal |
| to make weapons | 2 | purpose |
| iron → be used for → tool | 12 |
| iron → be used to make → tool | 6 |
| iron → be → tool | 3 |
| iron → be used in → tool | 3 |
| negative | neutral | positive |
| 0.110 | 0.744 | 0.146 |
| Raw frequency | 24 |
| Normalized frequency | 0.382 |
| Modifier score | 0.767 |
| Perplexity | 153.441 |