| naturally | 124 | manner |
| above recommended levels | 6 | other |
| in many different foods | 5 | location |
| fluoride → be found in → water | 130 |
| fluoride → occur in → water | 65 |
| fluoride → exist in → water | 14 |
| fluoride → occur in → the water | 11 |
| fluoride → be found in → fresh water | 4 |
| fluoride → find in → water | 4 |
| fluoride → occur in → water sources | 4 |
| fluoride → appear in → water | 3 |
| negative | neutral | positive |
| 0.122 | 0.740 | 0.138 |
| Raw frequency | 235 |
| Normalized frequency | 0.873 |
| Modifier score | 0.640 |
| Perplexity | 13.747 |