| Similarity | Rank | |
|---|---|---|
| hartzell | 0.848 | 96501 |
| ercoupe | 0.845 | 73143 |
| three-litre | 0.835 | 77892 |
| twin-cam | 0.831 | 90179 |
| powerplant | 0.830 | 49875 |
| four-cylinder | 0.828 | 51471 |
| rotax | 0.812 | 62143 |
| sd1 | 0.812 | 85970 |
| 4-litre | 0.807 | 58299 |
| engined | 0.804 | 45213 |
| air-cooled | 0.803 | 50213 |
| non-turbo | 0.800 | 72533 |
| four-seat | 0.799 | 80325 |
| mtu | 0.798 | 97764 |
| turbo-charged | 0.798 | 61390 |
| dohc | 0.795 | 99120 |
| rxe | 0.795 | 81571 |
| in-line | 0.794 | 47546 |
| stripped-down | 0.794 | 62733 |
| v10 | 0.793 | 75873 |
| c100 | 0.793 | 88608 |
| six-speed | 0.791 | 86483 |
| general-purpose | 0.789 | 30456 |
| jetdirect | 0.788 | 78482 |
| single-seat | 0.788 | 62969 |