| Similarity | Rank | |
|---|---|---|
| Sewage | 0.844 | 66452 |
| sewer | 0.816 | 13245 |
| Wastewater | 0.806 | 52649 |
| Stormwater | 0.798 | 62618 |
| Drainage | 0.788 | 48557 |
| Sump | 0.777 | 88119 |
| Sanitary | 0.776 | 63167 |
| Reclamation | 0.765 | 54409 |
| Septic | 0.756 | 68920 |
| Sanitation | 0.738 | 43413 |
| Landfill | 0.729 | 57827 |
| Sprinkler | 0.724 | 88949 |
| Plumbing | 0.719 | 21706 |
| Remediation | 0.710 | 67735 |
| Disposal | 0.710 | 44203 |
| Groundwater | 0.709 | 66053 |
| Water | 0.705 | 2787 |
| DPW | 0.704 | 79627 |
| Boiler | 0.704 | 48453 |
| Irrigation | 0.702 | 40766 |
| Sediment | 0.701 | 95198 |
| Waste | 0.700 | 13424 |
| sewage | 0.692 | 15787 |
| stormwater | 0.689 | 26586 |
| Faucet | 0.687 | 92419 |