| Similarity | Rank | |
|---|---|---|
| draincock | 0.935 | 60890 |
| gatevalve | 0.896 | 64458 |
| anti-freeze | 0.891 | 79601 |
| pipework | 0.886 | 23535 |
| stopcock | 0.882 | 36938 |
| blowlamp | 0.870 | 55317 |
| rodding | 0.868 | 73325 |
| ducting | 0.863 | 52494 |
| stop-cock | 0.863 | 92674 |
| gravity-fed | 0.858 | 64437 |
| restrictor | 0.854 | 87099 |
| algarde | 0.854 | 60722 |
| crankcase | 0.853 | 70319 |
| powerhead | 0.853 | 31085 |
| ballvalve | 0.851 | 30981 |
| multi-point | 0.849 | 64459 |
| soakaway | 0.845 | 47689 |
| airstone | 0.843 | 68094 |
| ballcock | 0.842 | 82634 |
| aquaclear | 0.842 | 94537 |
| de-ice | 0.841 | 63837 |
| solvent-weld | 0.841 | 77362 |
| unvented | 0.841 | 58610 |
| airpump | 0.841 | 69353 |
| underfloor | 0.841 | 50223 |