| Similarity | Rank | |
|---|---|---|
| interstellar | 0.943 | 31391 |
| intergalactic | 0.852 | 62540 |
| galactic | 0.834 | 32353 |
| orbiting | 0.817 | 32947 |
| extraterrestrial | 0.800 | 39627 |
| spaceships | 0.799 | 57887 |
| hyperspace | 0.798 | 72075 |
| spacecraft | 0.797 | 16461 |
| orbit | 0.786 | 11481 |
| planetary | 0.785 | 15837 |
| starships | 0.784 | 68061 |
| starship | 0.784 | 41772 |
| wormhole | 0.776 | 56776 |
| spaceship | 0.774 | 31046 |
| Martian | 0.771 | 25462 |
| wormholes | 0.770 | 95091 |
| antimatter | 0.768 | 64679 |
| spaceflight | 0.760 | 67313 |
| planets | 0.751 | 9219 |
| Ringworld | 0.742 | 99061 |
| extraterrestrials | 0.741 | 77701 |
| Interstellar | 0.740 | 83457 |
| asteroids | 0.740 | 33535 |
| space-based | 0.740 | 87153 |
| asteroid | 0.735 | 23057 |