| Similarity | Rank | |
|---|---|---|
| sewage | 0.858 | 15787 |
| sewers | 0.847 | 32294 |
| Sewer | 0.816 | 44938 |
| sewerage | 0.796 | 52330 |
| stormwater | 0.784 | 26586 |
| drains | 0.770 | 17106 |
| septic | 0.763 | 22341 |
| drainage | 0.760 | 10638 |
| plumbing | 0.758 | 8028 |
| wastewater | 0.748 | 17337 |
| hydrants | 0.748 | 75154 |
| downspout | 0.743 | 94910 |
| culverts | 0.743 | 73246 |
| backflow | 0.738 | 82062 |
| downspouts | 0.737 | 76699 |
| culvert | 0.732 | 57347 |
| sump | 0.726 | 30252 |
| sprinkler | 0.723 | 26883 |
| gutters | 0.719 | 24241 |
| levee | 0.715 | 49732 |
| manhole | 0.711 | 54038 |
| Sewage | 0.710 | 66452 |
| seepage | 0.707 | 53925 |
| hydrant | 0.704 | 60373 |
| drain | 0.703 | 6885 |