| Similarity | Rank | |
|---|---|---|
| pollutants | 0.921 | 16074 |
| contaminant | 0.918 | 45441 |
| particulates | 0.886 | 55487 |
| contaminates | 0.878 | 75535 |
| dioxins | 0.845 | 77636 |
| VOCs | 0.841 | 56195 |
| toxins | 0.839 | 7944 |
| chemicals | 0.829 | 4016 |
| impurities | 0.822 | 24506 |
| solvents | 0.812 | 29089 |
| chlorinated | 0.810 | 53829 |
| microorganisms | 0.810 | 22248 |
| toxics | 0.807 | 88988 |
| carcinogens | 0.806 | 37206 |
| micro-organisms | 0.805 | 55794 |
| particulate | 0.804 | 32316 |
| ammonia | 0.799 | 21773 |
| pollutant | 0.798 | 41997 |
| chlorine | 0.797 | 17545 |
| contaminating | 0.796 | 50124 |
| microbes | 0.794 | 22688 |
| allergens | 0.794 | 22367 |
| toxic | 0.793 | 5541 |
| contaminated | 0.793 | 11302 |
| PAHs | 0.791 | 93057 |