| naturally | 14 | manner |
| most often | 7 | degree |
| in small amounts in water sources | 2 | location |
| selenium → be found in → soil | 17 |
| selenium → be found in → the soil | 14 |
| selenium → occur in → soil | 11 |
| selenium → be present in → the soil | 7 |
| selenium → be in → the soil | 6 |
| selenium → be present in → soil | 4 |
| selenium → occur in → the soil | 4 |
| selenium → be grown in → such soils | 3 |
| negative | neutral | positive |
| 0.137 | 0.731 | 0.132 |
| Raw frequency | 66 |
| Normalized frequency | 0.697 |
| Modifier score | 0.900 |
| Perplexity | 317.374 |