| Similarity | Rank | |
|---|---|---|
| showerheads | 0.900 | 90800 |
| showerhead | 0.797 | 79142 |
| aerators | 0.791 | 94175 |
| high-efficiency | 0.790 | 53165 |
| faucets | 0.790 | 30543 |
| tankless | 0.773 | 50304 |
| heaters | 0.736 | 15430 |
| recirculation | 0.731 | 82564 |
| retrofits | 0.730 | 61075 |
| urinals | 0.725 | 76410 |
| evaporative | 0.725 | 67703 |
| faucet | 0.721 | 21412 |
| sprinkler | 0.718 | 26883 |
| energy-efficient | 0.717 | 24948 |
| daylighting | 0.715 | 93864 |
| self-cleaning | 0.710 | 75256 |
| retrofitting | 0.706 | 52217 |
| rainwater | 0.705 | 23331 |
| irrigation | 0.702 | 11652 |
| ventilation | 0.702 | 12297 |
| thermostats | 0.700 | 48050 |
| sprinklers | 0.697 | 40612 |
| filtration | 0.696 | 16460 |
| heater | 0.695 | 10118 |
| retrofit | 0.693 | 30084 |