| Similarity | Rank | |
|---|---|---|
| twin-cam | 0.853 | 90179 |
| v10 | 0.851 | 75873 |
| turboprop | 0.850 | 44803 |
| three-litre | 0.840 | 77892 |
| two-seat | 0.828 | 47465 |
| engined | 0.818 | 45213 |
| 500s | 0.813 | 75922 |
| four-cylinder | 0.812 | 51471 |
| 750cc | 0.811 | 96464 |
| tdi | 0.810 | 72375 |
| powerplant | 0.810 | 49875 |
| non-turbo | 0.810 | 72533 |
| six-speed | 0.805 | 86483 |
| mtu | 0.803 | 97764 |
| sailplane | 0.803 | 87717 |
| all-new | 0.802 | 44512 |
| mid-engined | 0.799 | 56778 |
| a610 | 0.798 | 96881 |
| erco | 0.795 | 91382 |
| four-seat | 0.795 | 80325 |
| crx | 0.793 | 95059 |
| in-line | 0.792 | 47546 |
| homebuilt | 0.791 | 50469 |
| ercoupe | 0.791 | 73143 |
| piston-engined | 0.790 | 73753 |