| Similarity | Rank | |
|---|---|---|
| wastewater | 0.909 | 17337 |
| sewage | 0.849 | 15787 |
| dewatering | 0.834 | 87432 |
| groundwater | 0.830 | 17131 |
| slurry | 0.816 | 39586 |
| stormwater | 0.807 | 26586 |
| sludge | 0.806 | 25075 |
| turbidity | 0.805 | 71435 |
| digester | 0.798 | 85063 |
| tailings | 0.798 | 49890 |
| contaminant | 0.795 | 45441 |
| chlorination | 0.794 | 98665 |
| leaching | 0.792 | 47493 |
| pollutant | 0.781 | 41997 |
| Wastewater | 0.777 | 52649 |
| sediment | 0.773 | 19370 |
| aquifer | 0.770 | 40456 |
| filtration | 0.767 | 16460 |
| recirculation | 0.765 | 82564 |
| coliform | 0.765 | 93324 |
| potable | 0.764 | 38281 |
| contaminants | 0.759 | 17549 |
| disinfection | 0.756 | 42785 |
| pollutants | 0.748 | 16074 |
| ammonia | 0.742 | 21773 |