| Similarity | Rank | |
|---|---|---|
| downpipe | 0.793 | 24535 |
| pipework | 0.782 | 23535 |
| mulm | 0.777 | 61594 |
| cistern | 0.776 | 11304 |
| soakaway | 0.775 | 47689 |
| culvert | 0.760 | 30743 |
| feed-and-expansion | 0.758 | 47951 |
| gravity-fed | 0.757 | 64437 |
| draincock | 0.754 | 60890 |
| mill-race | 0.749 | 81504 |
| sluice | 0.745 | 20807 |
| strainer | 0.740 | 41277 |
| manhole | 0.739 | 26057 |
| aerate | 0.736 | 32900 |
| limescale | 0.733 | 77975 |
| gatevalve | 0.731 | 64458 |
| stopcock | 0.730 | 36938 |
| watercourse | 0.727 | 22216 |
| sump | 0.727 | 29110 |
| aeration | 0.725 | 27937 |
| ballvalve | 0.725 | 30981 |
| rain-water | 0.724 | 86110 |
| standpipe | 0.718 | 70992 |
| roof-slope | 0.718 | 73596 |
| compacted | 0.716 | 36079 |