| Similarity | Rank | |
|---|---|---|
| egress | 0.871 | 55667 |
| two-pipe | 0.870 | 98950 |
| siphonage | 0.856 | 98977 |
| gatevalve | 0.851 | 64458 |
| draincock | 0.850 | 60890 |
| damp-proof | 0.847 | 52700 |
| gravity-fed | 0.845 | 64437 |
| feed-and-expansion | 0.845 | 47951 |
| downpipe | 0.842 | 24535 |
| rodding | 0.840 | 73325 |
| blockwork | 0.834 | 53520 |
| stopcock | 0.834 | 36938 |
| airbrick | 0.830 | 98982 |
| single-stack | 0.829 | 69607 |
| stop-cock | 0.827 | 92674 |
| pipework | 0.826 | 23535 |
| sub-frame | 0.824 | 70010 |
| prefilter | 0.823 | 93972 |
| wallplug | 0.820 | 86801 |
| pre-drilled | 0.820 | 94049 |
| load-bearing | 0.819 | 47922 |
| restrictor | 0.818 | 87099 |
| re-erection | 0.818 | 98870 |
| ballcock | 0.817 | 82634 |
| self-sealing | 0.817 | 73329 |