| Similarity | Rank | |
|---|---|---|
| k-series | 0.863 | 73178 |
| hartzell | 0.862 | 96501 |
| twin-cam | 0.855 | 90179 |
| lean-burn | 0.851 | 82318 |
| engined | 0.850 | 45213 |
| powerplant | 0.846 | 49875 |
| water-cooled | 0.836 | 71358 |
| non-turbo | 0.836 | 72533 |
| erco | 0.835 | 91382 |
| fiestas | 0.833 | 76191 |
| electrically-powered | 0.831 | 88680 |
| rb211 | 0.831 | 65768 |
| 4-litre | 0.830 | 58299 |
| v10 | 0.830 | 75873 |
| three-litre | 0.829 | 77892 |
| widebody | 0.827 | 86832 |
| tdi | 0.825 | 72375 |
| 750cc | 0.824 | 96464 |
| 24v | 0.823 | 47849 |
| supercharger | 0.823 | 83878 |
| rotax | 0.821 | 62143 |
| dc-6 | 0.820 | 81004 |
| sd1 | 0.820 | 85970 |
| turbojet | 0.819 | 85198 |
| 5kw | 0.817 | 81356 |