| Similarity | Rank | |
|---|---|---|
| supercharger | 0.945 | 66991 |
| intercooler | 0.895 | 86072 |
| turbocharged | 0.880 | 42047 |
| gearbox | 0.870 | 25720 |
| camshaft | 0.870 | 71030 |
| DOHC | 0.869 | 98578 |
| 4-cylinder | 0.867 | 74796 |
| powerplant | 0.866 | 57281 |
| turbos | 0.855 | 97740 |
| four-cylinder | 0.851 | 43423 |
| six-cylinder | 0.842 | 82610 |
| gearboxes | 0.842 | 80269 |
| carburetors | 0.837 | 91266 |
| piston | 0.830 | 23115 |
| drivetrain | 0.828 | 54065 |
| air-cooled | 0.823 | 78797 |
| turbo | 0.820 | 20051 |
| crankshaft | 0.820 | 51708 |
| 4-stroke | 0.818 | 97106 |
| horsepower | 0.817 | 16158 |
| pistons | 0.817 | 41509 |
| carburetor | 0.816 | 44543 |
| exhaust | 0.816 | 9598 |
| 4-liter | 0.813 | 89522 |
| torque | 0.813 | 12163 |