| Similarity | Rank | |
|---|---|---|
| unvented | 0.899 | 58610 |
| gatevalve | 0.891 | 64458 |
| stop-cock | 0.885 | 92674 |
| coal-burning | 0.877 | 81082 |
| oil-fired | 0.874 | 49906 |
| self-cleaning | 0.864 | 89333 |
| multi-point | 0.863 | 64459 |
| ducted | 0.861 | 84317 |
| thermostatically | 0.858 | 55660 |
| siphonage | 0.854 | 98977 |
| stopvalve | 0.853 | 86943 |
| central-heating | 0.853 | 90578 |
| convector | 0.852 | 46357 |
| fan-assisted | 0.849 | 93082 |
| thermostatic | 0.848 | 51536 |
| forgen | 0.848 | 96486 |
| algarde | 0.844 | 60722 |
| carbonflo | 0.844 | 87115 |
| turbocharging | 0.842 | 76858 |
| draincock | 0.842 | 60890 |
| underfloor | 0.841 | 50223 |
| double-pole | 0.841 | 81267 |
| restrictor | 0.839 | 87099 |
| anti-freeze | 0.839 | 79601 |
| knockshinnoch | 0.838 | 95204 |