| to sensitive plant species | 11 | transitive-object |
| to kidneys | 6 | transitive-object |
| at extremely low fluoride concentrations hill | 5 | location |
| fluoride → cause → damage | 15 |
| fluoride → damage → the body | 3 |
| negative | neutral | positive |
| 0.811 | 0.176 | 0.012 |
| Raw frequency | 18 |
| Normalized frequency | 0.359 |
| Modifier score | 0.500 |
| Perplexity | 52.725 |