| from this compound | 6 | location |
| further | 4 | manner |
| historically | 2 | temporal |
| iron → be → smelted | 32 |
| iron → be processed after → smelting | 3 |
| negative | neutral | positive |
| 0.176 | 0.749 | 0.075 |
| Raw frequency | 35 |
| Normalized frequency | 0.451 |
| Modifier score | 0.500 |
| Perplexity | 42.006 |