| Similarity | Rank | |
|---|---|---|
| Rainwater | 0.812 | 66981 |
| stormwater | 0.796 | 26586 |
| water | 0.790 | 249 |
| sewage | 0.763 | 15787 |
| downspouts | 0.752 | 76699 |
| potable | 0.748 | 38281 |
| irrigation | 0.748 | 11652 |
| seepage | 0.747 | 53925 |
| cisterns | 0.746 | 74105 |
| snowmelt | 0.742 | 96079 |
| aeration | 0.738 | 43387 |
| runoff | 0.736 | 18872 |
| wastewater | 0.734 | 17337 |
| groundwater | 0.733 | 17131 |
| ponds | 0.733 | 15229 |
| gutters | 0.729 | 24241 |
| downspout | 0.728 | 94910 |
| silt | 0.727 | 39076 |
| composting | 0.723 | 23375 |
| drains | 0.723 | 17106 |
| effluent | 0.719 | 38366 |
| cistern | 0.719 | 54701 |
| drainage | 0.719 | 10638 |
| pond | 0.709 | 7728 |
| sump | 0.707 | 30252 |