| Similarity | Rank | |
|---|---|---|
| turbo-charged | 0.784 | 61390 |
| two-seater | 0.782 | 25790 |
| six-cylinder | 0.775 | 49490 |
| horsa | 0.772 | 79157 |
| monocoque | 0.771 | 77827 |
| monoplane | 0.765 | 49349 |
| autopilot | 0.765 | 41583 |
| microlight | 0.762 | 26740 |
| lycoming | 0.761 | 52004 |
| rallye | 0.760 | 77824 |
| powerplant | 0.759 | 49875 |
| aeroplane | 0.759 | 7120 |
| four-seater | 0.758 | 49021 |
| propeller | 0.756 | 14540 |
| non-turbo | 0.756 | 72533 |
| front-drive | 0.756 | 95681 |
| single-seater | 0.755 | 63936 |
| wheelbase | 0.752 | 39414 |
| outboard | 0.751 | 24739 |
| syncro | 0.750 | 87223 |
| engine | 0.746 | 1545 |
| cessna | 0.745 | 21580 |
| airframe | 0.745 | 17478 |
| ercoupe | 0.745 | 73143 |
| four-cylinder | 0.744 | 51471 |