| Similarity | Rank | |
|---|---|---|
| rotor | 0.786 | 21346 |
| Bearings | 0.783 | 85998 |
| Servo | 0.779 | 83464 |
| Propeller | 0.774 | 78345 |
| Radial | 0.773 | 67815 |
| rotors | 0.767 | 38273 |
| Brakes | 0.758 | 59538 |
| Pneumatic | 0.757 | 95812 |
| Torque | 0.757 | 44318 |
| Turbine | 0.755 | 48433 |
| Chassis | 0.743 | 59754 |
| propeller | 0.743 | 27811 |
| Hydraulic | 0.742 | 46631 |
| Valves | 0.742 | 68749 |
| servo | 0.741 | 37657 |
| Conveyor | 0.739 | 91755 |
| Brake | 0.738 | 35252 |
| Gyro | 0.736 | 98997 |
| Thrust | 0.733 | 61099 |
| Axle | 0.731 | 91636 |
| Vertical | 0.728 | 24910 |
| Vortex | 0.725 | 44672 |
| Compressor | 0.724 | 66948 |
| Rotating | 0.722 | 64918 |
| Shaft | 0.719 | 54166 |