| Similarity | Rank | |
|---|---|---|
| ballvalve | 0.821 | 30981 |
| feed-and-expansion | 0.806 | 47951 |
| downpipe | 0.789 | 24535 |
| flue | 0.788 | 14977 |
| radiator | 0.780 | 7852 |
| rainwater | 0.776 | 16454 |
| draincock | 0.773 | 60890 |
| pipework | 0.770 | 23535 |
| washer | 0.757 | 14286 |
| pipe | 0.752 | 2385 |
| plumbing | 0.749 | 11662 |
| gatevalve | 0.743 | 64458 |
| soakaway | 0.736 | 47689 |
| push-fit | 0.735 | 42206 |
| stopcock | 0.730 | 36938 |
| ducting | 0.728 | 52494 |
| ballcock | 0.728 | 82634 |
| boiler | 0.723 | 6407 |
| cladding | 0.719 | 22061 |
| powerhead | 0.717 | 31085 |
| bidet | 0.716 | 34936 |
| sump | 0.715 | 29110 |
| underfloor | 0.714 | 50223 |
| valve | 0.712 | 5415 |
| stainless | 0.711 | 12414 |