| Similarity | Rank | |
|---|---|---|
| aquifer | 0.950 | 40456 |
| groundwater | 0.921 | 17131 |
| reservoirs | 0.876 | 24613 |
| Aquifer | 0.849 | 88850 |
| sediments | 0.830 | 31409 |
| watersheds | 0.813 | 41406 |
| sediment | 0.800 | 19370 |
| catchments | 0.787 | 74541 |
| Groundwater | 0.784 | 66053 |
| basins | 0.779 | 27561 |
| silt | 0.776 | 39076 |
| floodplains | 0.776 | 79835 |
| soils | 0.772 | 13363 |
| reservoir | 0.768 | 13344 |
| subsurface | 0.766 | 41325 |
| rivers | 0.765 | 6700 |
| subsoil | 0.765 | 84727 |
| salinity | 0.762 | 39276 |
| watercourses | 0.757 | 93448 |
| boreholes | 0.755 | 89746 |
| estuaries | 0.753 | 46496 |
| wastewater | 0.751 | 17337 |
| wetlands | 0.751 | 14228 |
| hydrologic | 0.746 | 70564 |
| brackish | 0.746 | 60410 |