| Similarity | Rank | |
|---|---|---|
| orbit | 0.911 | 11481 |
| orbits | 0.887 | 29511 |
| spacecraft | 0.872 | 16461 |
| asteroids | 0.853 | 33535 |
| planets | 0.851 | 9219 |
| orbiter | 0.845 | 76092 |
| comets | 0.826 | 39333 |
| galaxies | 0.826 | 19979 |
| asteroid | 0.824 | 23057 |
| interplanetary | 0.817 | 60971 |
| galactic | 0.816 | 32353 |
| exoplanets | 0.811 | 89365 |
| nebula | 0.804 | 49393 |
| quasars | 0.800 | 93060 |
| interstellar | 0.798 | 31391 |
| spaceship | 0.798 | 31046 |
| Phobos | 0.798 | 91146 |
| satellites | 0.791 | 15579 |
| Centauri | 0.789 | 51108 |
| flyby | 0.789 | 80846 |
| nebulae | 0.786 | 81004 |
| comet | 0.786 | 23908 |
| orbital | 0.786 | 25633 |
| light-years | 0.785 | 61345 |
| moons | 0.784 | 23992 |