| Similarity | Rank | |
|---|---|---|
| wastewater | 0.801 | 17337 |
| water | 0.800 | 249 |
| sewage | 0.793 | 15787 |
| sanitation | 0.772 | 16338 |
| sanitary | 0.764 | 22968 |
| effluent | 0.764 | 38366 |
| rainwater | 0.748 | 23331 |
| groundwater | 0.748 | 17131 |
| desalination | 0.739 | 51084 |
| irrigation | 0.726 | 11652 |
| aquifers | 0.723 | 48296 |
| chlorination | 0.711 | 98665 |
| aquifer | 0.708 | 40456 |
| sewerage | 0.703 | 52330 |
| latrines | 0.699 | 64901 |
| drinkable | 0.696 | 46098 |
| cisterns | 0.693 | 74105 |
| seawater | 0.691 | 34230 |
| stormwater | 0.689 | 26586 |
| irrigate | 0.687 | 51905 |
| h2o | 0.686 | 23060 |
| reservoirs | 0.686 | 24613 |
| toilets | 0.684 | 13678 |
| brackish | 0.681 | 60410 |
| dewatering | 0.681 | 87432 |