| Similarity | Rank | |
|---|---|---|
| chlorine | 0.882 | 17545 |
| chlorinated | 0.876 | 53829 |
| hypochlorite | 0.858 | 96454 |
| disinfection | 0.847 | 42785 |
| bromine | 0.842 | 75999 |
| ammonia | 0.840 | 21773 |
| chloride | 0.802 | 23685 |
| filtration | 0.799 | 16460 |
| effluent | 0.794 | 38366 |
| pretreatment | 0.784 | 65378 |
| surfactant | 0.782 | 67126 |
| Chlorine | 0.780 | 54131 |
| contaminant | 0.779 | 45441 |
| disinfectants | 0.777 | 71356 |
| leaching | 0.776 | 47493 |
| phosphates | 0.776 | 65870 |
| sulfate | 0.770 | 28700 |
| arsenic | 0.770 | 26971 |
| wastewater | 0.769 | 17337 |
| recirculation | 0.769 | 82564 |
| bicarbonate | 0.767 | 43843 |
| sulphate | 0.767 | 54192 |
| contaminants | 0.766 | 17549 |
| decontamination | 0.764 | 56887 |
| seawater | 0.763 | 34230 |