| in the same way | 9 | manner |
| to survive | 6 | purpose |
| for energy | 6 | purpose |
| bacteria → use → iron | 15 |
| bacteria → need → iron | 8 |
| bacteria → utilize → iron | 4 |
| bacteria → require → iron | 3 |
| bacteria → rely on → iron | 3 |
| negative | neutral | positive |
| 0.242 | 0.666 | 0.092 |
| Raw frequency | 33 |
| Normalized frequency | 0.358 |
| Modifier score | 0.614 |
| Perplexity | 468.697 |