| naturally | 79 | manner |
| in water | 11 | location |
| at alarming levels | 5 | other |
| fluoride → be found in → food | 67 |
| fluoride → occur in → many foods | 23 |
| fluoride → be found in → many foods | 20 |
| fluoride → occur in → food | 10 |
| fluoride → be present in → many foods | 8 |
| fluoride → exist in → food | 7 |
| fluoride → be found in → certain foods | 5 |
| fluoride → be present in → food | 5 |
| fluoride → be found in → many food items | 3 |
| fluoride → find in → food | 3 |
| fluoride → occur in → different foods | 3 |
| fluoride → be found in → most foods | 3 |
| fluoride → be found in → the food | 3 |
| negative | neutral | positive |
| 0.132 | 0.715 | 0.153 |
| Raw frequency | 160 |
| Normalized frequency | 0.796 |
| Modifier score | 0.733 |
| Perplexity | 16.761 |