| 100% | ALIENINVASION | 13 | Occurrence in many sci-fi stories |
| 79% | LASER | 5 | Beam in many sci-fi stories |
| 79% | TERRA | 5 | Earth, in many sci-fi stories |
| 60% | USSENTERPRISE | 13 | Setting for many sci-fi stories |
| 60% | ALIENS | 6 | Beings in many sci-fi books |
| 60% | ALIEN | 5 | Creature in many sci-fi movies |
| 60% | UFOS | 4 | Vehicles in many sci-fi movies |
| 58% | CGI | 3 | Tech used in many sci-fi films, for short |
| 55% | TERRAFORM | 9 | Change a planet to resemble earth, as in many sci-fi novels |
| 54% | ALIEN | 5 | Figure in many a sci-fi film |
| 53% | CGI | 3 | Tool used in many a sci-fi film |
| 53% | HOLOGRAM | 8 | 3D image in many a sci-fi film |
| 53% | WORMHOLES | 9 | Interstellar shortcuts in sci-fi stories |
| 53% | TERRA | 5 | Earth, in sci-fi stories |
| 52% | UFO | 3 | Ship in a sci-fi story: Abbr. |
| 51% | HORTON | 6 | Elephant character in many Seuss stories |
| 48% | MOONBASE | 8 | Lunar outpost in a sci-fi story: 2 wds. |
| 48% | UFOS | 4 | Vehicles in many tabloid stories |
| 47% | ELOI | 4 | Idle race in an 1895 sci-fi story |
| 47% | NICKADAMS | 9 | Protagonist in many Ernest Hemingway stories |
| 47% | END | 3 | Last phrase in many stories, "The __" |
| 47% | MAINFRAME | 9 | Brain in many an Asimov story |
| 47% | RAMA | 4 | Protagonist in many a Diwali story |
| 46% | TWIST | 5 | Unexpected occurrence in a story's plot |
| 46% | OTIS | 4 | Company whose products appear in many stories |
| 46% | SLED | 4 | Vehicle in many a Jack London story |
| 46% | STARWARS | 8 | Mega sci fi movie franchise began in 1977 |
| 45% | AIDE | 4 | Unnamed source in many a Trump news story |
| 45% | SLED | 4 | Snow transport in many a Jack London story |
| 45% | ALIENS | 6 | Many sci-fi characters |