| Similarity | Rank | |
|---|---|---|
| drinking_water | 0.792 | 14184 |
| drink_water | 0.754 | 17506 |
| bottled_water | 0.726 | 31626 |
| potable_water | 0.703 | 47408 |
| treat_water | 0.698 | 93862 |
| for_drinking | 0.681 | 64062 |
| water_supply | 0.661 | 7947 |
| waste_water | 0.657 | 36994 |
| water | 0.647 | 231 |
| wastewater | 0.644 | 16254 |
| contaminated_water | 0.644 | 71547 |
| safe_drinking_water | 0.641 | 65737 |
| pure_water | 0.632 | 82162 |
| clean_drinking_water | 0.631 | 76939 |
| water_source | 0.629 | 24751 |
| clean_water | 0.627 | 12074 |
| fresh_water | 0.623 | 16726 |
| ground_water | 0.612 | 30977 |
| river_water | 0.610 | 72046 |
| water_sample | 0.604 | 59754 |
| groundwater | 0.598 | 10207 |
| rainwater | 0.596 | 41449 |
| fluoride | 0.595 | 34383 |
| water_system | 0.594 | 20594 |
| sewage | 0.594 | 20240 |