| Similarity | Rank | |
|---|---|---|
| ballvalve | 0.776 | 30981 |
| non-return | 0.755 | 53274 |
| carb | 0.747 | 28537 |
| washer | 0.740 | 14286 |
| feed-and-expansion | 0.739 | 47951 |
| push-fit | 0.726 | 42206 |
| compressor | 0.723 | 22448 |
| thermostat | 0.720 | 18310 |
| thermostatic | 0.714 | 51536 |
| multi-point | 0.712 | 64459 |
| carburettor | 0.712 | 28757 |
| cistern | 0.712 | 11304 |
| radiator | 0.709 | 7852 |
| gearbox | 0.708 | 12204 |
| transformer | 0.704 | 13191 |
| draincock | 0.702 | 60890 |
| piston | 0.702 | 14418 |
| gasket | 0.699 | 27614 |
| pump | 0.696 | 3060 |
| suction | 0.693 | 21917 |
| restrictor | 0.693 | 87099 |
| pipework | 0.691 | 23535 |
| powerhead | 0.690 | 31085 |
| ducting | 0.690 | 52494 |
| camshaft | 0.687 | 63396 |