| Similarity | Rank | |
|---|---|---|
| contaminants | 0.921 | 17549 |
| pollutant | 0.896 | 41997 |
| toxics | 0.894 | 88988 |
| particulates | 0.889 | 55487 |
| pollution | 0.870 | 5841 |
| VOCs | 0.850 | 56195 |
| contaminant | 0.845 | 45441 |
| dioxins | 0.837 | 77636 |
| gases | 0.831 | 11662 |
| particulate | 0.822 | 32316 |
| gasses | 0.815 | 45276 |
| toxins | 0.808 | 7944 |
| contaminates | 0.801 | 75535 |
| chemicals | 0.800 | 4016 |
| dioxide | 0.790 | 10273 |
| PAHs | 0.787 | 93057 |
| ozone | 0.786 | 18222 |
| carcinogens | 0.784 | 37206 |
| pesticides | 0.779 | 12095 |
| hazardous | 0.778 | 9444 |
| toxic | 0.776 | 5541 |
| aerosols | 0.768 | 54502 |
| chlorinated | 0.763 | 53829 |
| hydrocarbons | 0.761 | 32458 |
| wastes | 0.760 | 16174 |