| especially | 7 | degree |
| in preventing rickets | 5 | purpose |
| to help | 4 | purpose |
| vitamin d → be → necessary | 80 |
| vitamin d → be → required | 20 |
| vitamin d → be required for → utilization | 6 |
| vitamin d → be required for → utilisation | 5 |
| vitamin d → be required in → order | 4 |
| vitamin d → be → warranted | 3 |
| vitamin d → be → need | 3 |
| negative | neutral | positive |
| 0.091 | 0.618 | 0.291 |
| Raw frequency | 121 |
| Normalized frequency | 0.566 |
| Modifier score | 1.000 |
| Perplexity | 43.004 |