| Similarity | Rank | |
|---|---|---|
| Sediment | 0.881 | 95198 |
| groundwater | 0.871 | 17131 |
| Aquifer | 0.859 | 88850 |
| Stormwater | 0.850 | 62618 |
| Wastewater | 0.844 | 52649 |
| aquifer | 0.807 | 40456 |
| Reclamation | 0.804 | 54409 |
| Water | 0.798 | 2787 |
| Soil | 0.798 | 21080 |
| Watershed | 0.793 | 31449 |
| aquifers | 0.784 | 48296 |
| Soils | 0.783 | 74063 |
| Catchment | 0.776 | 79864 |
| Remediation | 0.775 | 67735 |
| Sewage | 0.771 | 66452 |
| Pollution | 0.768 | 29306 |
| Basin | 0.768 | 13536 |
| Landfill | 0.757 | 57827 |
| Wetlands | 0.750 | 32776 |
| Wetland | 0.749 | 51020 |
| stormwater | 0.741 | 26586 |
| Erosion | 0.741 | 67301 |
| wastewater | 0.740 | 17337 |
| Irrigation | 0.740 | 40766 |
| hydrologic | 0.740 | 70564 |