| Similarity | Rank | |
|---|---|---|
| fluoridated | 0.827 | 74288 |
| fluoride | 0.817 | 19218 |
| Fluoride | 0.755 | 54744 |
| fracking | 0.685 | 21463 |
| anti-smoking | 0.679 | 47676 |
| fluorosis | 0.678 | 86103 |
| thimerosal | 0.670 | 91384 |
| chlorination | 0.651 | 98665 |
| MTBE | 0.636 | 96906 |
| chelation | 0.633 | 62256 |
| decriminalization | 0.625 | 87711 |
| dioxin | 0.623 | 57731 |
| PFOA | 0.603 | 88152 |
| caries | 0.602 | 49584 |
| ozone | 0.597 | 18222 |
| arsenic | 0.596 | 26971 |
| bisphenol | 0.596 | 97538 |
| EFSA | 0.592 | 99590 |
| EDTA | 0.590 | 75524 |
| fluorine | 0.585 | 79157 |
| strontium | 0.584 | 86420 |
| euthanasia | 0.583 | 28933 |
| toothpastes | 0.579 | 62813 |
| Mercola | 0.577 | 85166 |
| abortion | 0.575 | 5950 |