| Similarity | Rank | |
|---|---|---|
| UAV | 0.890 | 49002 |
| UAVs | 0.887 | 60175 |
| Unmanned | 0.857 | 69079 |
| UAS | 0.813 | 51126 |
| missile | 0.801 | 11186 |
| reconnaissance | 0.797 | 26532 |
| ground-based | 0.797 | 65588 |
| helicopters | 0.780 | 16101 |
| manned | 0.776 | 21210 |
| aircraft | 0.773 | 3392 |
| ICBM | 0.760 | 89556 |
| C-130 | 0.759 | 83046 |
| missiles | 0.757 | 12756 |
| space-based | 0.756 | 87153 |
| amphibious | 0.753 | 44573 |
| drones | 0.753 | 18343 |
| spacecraft | 0.752 | 16461 |
| F-15 | 0.751 | 98460 |
| submarines | 0.750 | 26239 |
| F-16 | 0.749 | 59753 |
| B-52 | 0.749 | 82982 |
| aircrafts | 0.748 | 53087 |
| warplanes | 0.748 | 73645 |
| supersonic | 0.742 | 51761 |
| F-22 | 0.742 | 75391 |