| Similarity | Rank | |
|---|---|---|
| wastewater | 0.886 | 17337 |
| sewer | 0.858 | 13245 |
| sewerage | 0.852 | 52330 |
| effluent | 0.849 | 38366 |
| Sewage | 0.820 | 66452 |
| septic | 0.799 | 22341 |
| stormwater | 0.799 | 26586 |
| sludge | 0.798 | 25075 |
| potable | 0.793 | 38281 |
| sewers | 0.787 | 32294 |
| drains | 0.764 | 17106 |
| rainwater | 0.763 | 23331 |
| groundwater | 0.757 | 17131 |
| landfill | 0.752 | 16597 |
| drainage | 0.747 | 10638 |
| dewatering | 0.738 | 87432 |
| Wastewater | 0.735 | 52649 |
| incinerators | 0.735 | 86069 |
| polluted | 0.735 | 21268 |
| incinerator | 0.732 | 60101 |
| water | 0.731 | 249 |
| wastes | 0.729 | 16174 |
| waste | 0.727 | 1911 |
| sanitary | 0.726 | 22968 |
| desalination | 0.721 | 51084 |