| Similarity | Rank | |
|---|---|---|
| ground-based | 0.902 | 65588 |
| satellites | 0.769 | 15579 |
| unmanned | 0.756 | 26624 |
| spacecraft | 0.750 | 16461 |
| NASA's | 0.747 | 24421 |
| interplanetary | 0.740 | 60971 |
| orbiting | 0.739 | 32947 |
| UAVs | 0.728 | 60175 |
| radars | 0.725 | 53900 |
| interstellar | 0.725 | 31391 |
| long-range | 0.716 | 25123 |
| thermonuclear | 0.710 | 76089 |
| short-range | 0.702 | 69382 |
| NASA | 0.702 | 9327 |
| UAV | 0.700 | 49002 |
| observatories | 0.697 | 72987 |
| extraterrestrial | 0.696 | 39627 |
| asteroids | 0.695 | 33535 |
| orbiter | 0.695 | 76092 |
| GNSS | 0.695 | 85164 |
| spaceflight | 0.693 | 67313 |
| missile | 0.686 | 11186 |
| Landsat | 0.682 | 96319 |
| Orbiter | 0.682 | 76431 |
| ICBM | 0.680 | 89556 |