| Similarity | Rank | |
|---|---|---|
| aquifer | 0.891 | 40456 |
| Groundwater | 0.859 | 66053 |
| aquifers | 0.849 | 48296 |
| groundwater | 0.824 | 17131 |
| Basin | 0.797 | 13536 |
| Sediment | 0.748 | 95198 |
| Wastewater | 0.745 | 52649 |
| watersheds | 0.737 | 41406 |
| Stormwater | 0.736 | 62618 |
| reservoirs | 0.728 | 24613 |
| Reclamation | 0.723 | 54409 |
| Watershed | 0.716 | 31449 |
| floodplain | 0.714 | 46911 |
| Water | 0.708 | 2787 |
| watershed | 0.708 | 17165 |
| wastewater | 0.701 | 17337 |
| stormwater | 0.699 | 26586 |
| acre-feet | 0.696 | 96199 |
| wetlands | 0.692 | 14228 |
| Reservoir | 0.689 | 27203 |
| Irrigation | 0.687 | 40766 |
| Rainwater | 0.685 | 66981 |
| Sewage | 0.685 | 66452 |
| Geothermal | 0.684 | 51004 |
| reservoir | 0.681 | 13344 |