| Similarity | Rank | |
|---|---|---|
| piston-engined | 0.885 | 73753 |
| wide-bodied | 0.857 | 89709 |
| erco | 0.856 | 91382 |
| 707s | 0.855 | 83736 |
| rotorway | 0.853 | 84115 |
| ex-military | 0.849 | 63681 |
| refuelling | 0.847 | 88548 |
| nasm | 0.846 | 95859 |
| mid-flight | 0.841 | 89608 |
| xb-70 | 0.841 | 68782 |
| six-seater | 0.838 | 95683 |
| awacs | 0.835 | 70830 |
| telemine | 0.832 | 84185 |
| robots | 0.829 | 91082 |
| otu | 0.828 | 88562 |
| gwad | 0.828 | 89955 |
| single-engine | 0.827 | 82475 |
| naa | 0.827 | 79038 |
| dc-8 | 0.824 | 88685 |
| pressurisation | 0.819 | 80767 |
| p-40s | 0.819 | 78893 |
| free-phone | 0.815 | 99040 |
| sailplane | 0.814 | 87717 |
| dc9 | 0.814 | 91276 |
| 747s | 0.811 | 79220 |