| Similarity | Rank | |
|---|---|---|
| Aeronautical | 0.905 | 68489 |
| Aerospace | 0.841 | 25016 |
| Aviation | 0.839 | 13000 |
| aeronautics | 0.776 | 79236 |
| Propulsion | 0.775 | 55488 |
| Aircraft | 0.762 | 19885 |
| Engineering | 0.761 | 5069 |
| aeronautical | 0.752 | 58707 |
| Avionics | 0.721 | 97209 |
| Atmospheric | 0.712 | 35555 |
| Astrophysics | 0.709 | 75101 |
| Sciences | 0.706 | 7051 |
| Geophysics | 0.703 | 96162 |
| Unmanned | 0.702 | 69079 |
| Engineers | 0.698 | 13206 |
| Naval | 0.694 | 13911 |
| Science | 0.693 | 2567 |
| Geophysical | 0.693 | 69216 |
| Northrop | 0.692 | 47355 |
| Spacecraft | 0.692 | 76108 |
| Oceanography | 0.689 | 73802 |
| Boeing | 0.688 | 14335 |
| Laboratory | 0.683 | 10913 |
| Physics | 0.682 | 14316 |
| NASA | 0.682 | 9327 |