| Similarity | Rank | |
|---|---|---|
| steriliser | 0.722 | 53784 |
| fan-assisted | 0.722 | 93082 |
| self-cleaning | 0.704 | 89333 |
| 3kw | 0.701 | 92049 |
| heaterstat | 0.698 | 47719 |
| gatevalve | 0.697 | 64458 |
| thermostatically | 0.694 | 55660 |
| reverse-flow | 0.693 | 72940 |
| thermostat | 0.689 | 18310 |
| thermostatic | 0.685 | 51536 |
| aquaclear | 0.684 | 94537 |
| unvented | 0.684 | 58610 |
| heater | 0.681 | 6901 |
| convector | 0.680 | 46357 |
| anti-freeze | 0.673 | 79601 |
| recharg | 0.673 | 24298 |
| condenser | 0.671 | 41872 |
| airpump | 0.670 | 69353 |
| draincock | 0.669 | 60890 |
| feed-and-expansion | 0.669 | 47951 |
| softener | 0.664 | 38621 |
| fluval | 0.663 | 39608 |
| pre-heat | 0.661 | 57065 |
| non-return | 0.660 | 53274 |
| multi-point | 0.658 | 64459 |