| Similarity | Rank | |
|---|---|---|
| Drainage | 0.817 | 48557 |
| irrigation | 0.816 | 11652 |
| Reclamation | 0.780 | 54409 |
| Wastewater | 0.774 | 52649 |
| Groundwater | 0.740 | 66053 |
| Fertilizer | 0.736 | 62565 |
| Stormwater | 0.734 | 62618 |
| Sanitation | 0.733 | 43413 |
| Water | 0.719 | 2787 |
| Sprinkler | 0.713 | 88949 |
| Soil | 0.709 | 21080 |
| Rainwater | 0.706 | 66981 |
| Sanitary | 0.706 | 63167 |
| irrigating | 0.705 | 81817 |
| Sewer | 0.702 | 44938 |
| Sewage | 0.702 | 66452 |
| irrigated | 0.699 | 42268 |
| Watering | 0.692 | 60874 |
| NRCS | 0.691 | 84656 |
| Aquifer | 0.687 | 88850 |
| Filtration | 0.676 | 63090 |
| drainage | 0.675 | 10638 |
| Geothermal | 0.674 | 51004 |
| Catchment | 0.671 | 79864 |
| Remediation | 0.665 | 67735 |