| Similarity | Rank | |
|---|---|---|
| single-seat | 0.850 | 62969 |
| powerplant | 0.825 | 49875 |
| two-seat | 0.800 | 47465 |
| fairey | 0.797 | 38007 |
| horsa | 0.791 | 79157 |
| fly-by-wire | 0.790 | 92196 |
| piston-engined | 0.788 | 73753 |
| avro | 0.787 | 44684 |
| four-seat | 0.784 | 80325 |
| dornier | 0.776 | 38711 |
| monoplane | 0.776 | 49349 |
| ercoupe | 0.775 | 73143 |
| trislander | 0.775 | 61504 |
| twin-engin | 0.772 | 42828 |
| socata | 0.771 | 49306 |
| twin-cam | 0.769 | 90179 |
| passenger-carrying | 0.769 | 87867 |
| mid-engined | 0.767 | 56778 |
| hst | 0.766 | 33166 |
| erco | 0.766 | 91382 |
| three-litre | 0.766 | 77892 |
| four-cylinder | 0.764 | 51471 |
| single-engined | 0.763 | 48214 |
| supersonic | 0.762 | 24775 |
| monospar | 0.762 | 76633 |