| Similarity | Rank | |
|---|---|---|
| lycoming | 0.845 | 52004 |
| powerplant | 0.844 | 49875 |
| erco | 0.839 | 91382 |
| hartzell | 0.825 | 96501 |
| four-seat | 0.819 | 80325 |
| mtu | 0.802 | 97764 |
| alon | 0.802 | 85406 |
| stripped-down | 0.798 | 62733 |
| c100 | 0.798 | 88608 |
| three-litre | 0.796 | 77892 |
| sailplane | 0.793 | 87717 |
| komatsu | 0.793 | 89604 |
| single-seat | 0.791 | 62969 |
| water-cooled | 0.786 | 71358 |
| petrol-powered | 0.786 | 95962 |
| twin-cam | 0.784 | 90179 |
| ex-military | 0.783 | 63681 |
| fly-by-wire | 0.782 | 92196 |
| mouseman | 0.782 | 98352 |
| ups | 0.781 | 34363 |
| tdi | 0.779 | 72375 |
| four-cylinder | 0.779 | 51471 |
| l-series | 0.779 | 78929 |
| fixed-head | 0.778 | 95256 |
| turboprop | 0.775 | 44803 |