| Similarity | Rank | |
|---|---|---|
| feed-and-expansion | 0.886 | 47951 |
| ducting | 0.860 | 52494 |
| gravity-fed | 0.854 | 64437 |
| stopcock | 0.841 | 36938 |
| underfloor | 0.839 | 50223 |
| draincock | 0.828 | 60890 |
| soakaway | 0.826 | 47689 |
| ballvalve | 0.825 | 30981 |
| de-ice | 0.824 | 63837 |
| downpipe | 0.822 | 24535 |
| gatevalve | 0.822 | 64458 |
| heaterstat | 0.819 | 47719 |
| airpump | 0.818 | 69353 |
| non-return | 0.818 | 53274 |
| blowlamp | 0.814 | 55317 |
| powerhead | 0.814 | 31085 |
| mains-voltage | 0.807 | 63251 |
| surface-mounted | 0.803 | 62960 |
| worksurface | 0.802 | 55265 |
| condenser | 0.802 | 41872 |
| anti-freeze | 0.799 | 79601 |
| rodding | 0.798 | 73325 |
| multi-point | 0.796 | 64459 |
| ducted | 0.796 | 84317 |
| 13amp | 0.794 | 95649 |