| Similarity | Rank | |
|---|---|---|
| Aerial | 0.801 | 35760 |
| aerials | 0.720 | 79875 |
| reconnaissance | 0.709 | 26532 |
| unmanned | 0.686 | 26624 |
| ground-based | 0.676 | 65588 |
| helicopter | 0.662 | 9221 |
| UAV | 0.658 | 49002 |
| helicopters | 0.658 | 16101 |
| UAVs | 0.652 | 60175 |
| air-to-air | 0.643 | 87779 |
| airfield | 0.642 | 30304 |
| high-altitude | 0.637 | 63273 |
| aerobatic | 0.632 | 79915 |
| remote-controlled | 0.626 | 84944 |
| airborne | 0.623 | 17144 |
| parachuting | 0.620 | 87734 |
| B-52 | 0.617 | 82982 |
| time-lapse | 0.616 | 65257 |
| biplane | 0.614 | 79328 |
| airfields | 0.612 | 54606 |
| amphibious | 0.612 | 44573 |
| spotters | 0.608 | 81801 |
| pyrotechnics | 0.608 | 63099 |
| anti-aircraft | 0.607 | 53211 |
| artillery | 0.603 | 15757 |