| Similarity | Rank | |
|---|---|---|
| Chlorine | 0.891 | 54131 |
| ammonia | 0.887 | 21773 |
| Sulfur | 0.859 | 70589 |
| Chloride | 0.843 | 78692 |
| Nitrogen | 0.840 | 45976 |
| Nitrate | 0.836 | 90091 |
| Oxidation | 0.819 | 91986 |
| chlorine | 0.813 | 17545 |
| Peroxide | 0.806 | 71780 |
| Formaldehyde | 0.798 | 99913 |
| Dioxide | 0.796 | 69551 |
| Methane | 0.795 | 69623 |
| Phosphorus | 0.790 | 67996 |
| Sulfate | 0.789 | 81232 |
| Sodium | 0.784 | 31914 |
| sulfur | 0.776 | 22001 |
| Hydrogen | 0.774 | 29099 |
| hypochlorite | 0.774 | 96454 |
| Phosphate | 0.767 | 82314 |
| hydrochloric | 0.767 | 58217 |
| urea | 0.767 | 40711 |
| ammonium | 0.766 | 48164 |
| Compounds | 0.764 | 66913 |
| sulphuric | 0.762 | 87525 |
| VOCs | 0.761 | 56195 |