| Similarity | Rank | |
|---|---|---|
| septic_system | 0.773 | 76360 |
| sewage_system | 0.720 | 73638 |
| waste_water | 0.703 | 36994 |
| sewage | 0.702 | 20240 |
| wastewater | 0.690 | 16254 |
| sewerage | 0.686 | 65854 |
| sewer_system | 0.680 | 51258 |
| treatment_plant | 0.677 | 48607 |
| drainage_system | 0.676 | 46605 |
| wastewater_treatment_plant | 0.659 | 59904 |
| water_treatment_plant | 0.641 | 79968 |
| storm_water | 0.641 | 71726 |
| effluent | 0.636 | 39640 |
| sewer | 0.624 | 15057 |
| water_main | 0.623 | 88952 |
| water_system | 0.623 | 20594 |
| storage_tank | 0.621 | 52149 |
| ground_water | 0.621 | 30977 |
| toilet | 0.620 | 4293 |
| treat_water | 0.619 | 93862 |
| digester | 0.619 | 79636 |
| water_tank | 0.618 | 39185 |
| rainwater | 0.618 | 41449 |
| latrine | 0.618 | 35804 |
| water_supply | 0.617 | 7947 |