| Similarity | Rank | |
|---|---|---|
| Osmosis | 0.839 | 88040 |
| filtration | 0.741 | 16460 |
| chlorination | 0.722 | 98665 |
| backwash | 0.711 | 82922 |
| seawater | 0.696 | 34230 |
| ionic | 0.685 | 39589 |
| distillation | 0.678 | 33939 |
| ionizer | 0.676 | 91312 |
| softeners | 0.671 | 57633 |
| softener | 0.662 | 38692 |
| photosynthesis | 0.659 | 33553 |
| electrolysis | 0.659 | 48670 |
| chlorine | 0.656 | 17545 |
| purification | 0.655 | 19184 |
| aeration | 0.653 | 43387 |
| recirculation | 0.647 | 82564 |
| desalination | 0.644 | 51084 |
| hypochlorite | 0.643 | 96454 |
| osmotic | 0.642 | 75742 |
| electrolytic | 0.640 | 73883 |
| alkalinity | 0.639 | 59095 |
| RO | 0.638 | 42485 |
| adsorption | 0.637 | 61899 |
| carbonic | 0.635 | 83563 |
| electrochemical | 0.632 | 58063 |