Related by context. Frequent words. (Click for all words.) 59 alien 58 earthlings 55 aliens 54 Earthlings 53 intergalactic 52 beings 52 extra terrestrials 52 Klaatu 51 planet 51 extraterrestrial 51 shape shifter 50 extraterrestrials 49 sentient 49 alternate universe 49 spaceship 49 dweeb 48 android 48 ETs 48 voyager 47 Martian 47 interplanetary 47 Giovanni Ribisi 47 interstellar 46 Martians 46 wraith 46 starship 46 pasty faced 46 intelligent beings 46 Luthor 46 superpowered 46 baddie 46 sorceress 46 Eric Stoltz 46 cyborg 46 outer space 45 mortals 45 schlub 45 Jor El 45 creature 45 supervillain 45 Kryptonian 45 humanoids 45 Alan Tudyk 45 Sam Rockwell 45 malevolent 44 wormhole 44 nebbish 44 Romulan 44 droid 44 cyborgs 44 Famke Janssen 44 Alice Braga 44 evil witch 44 Tom Skerritt 44 creatures 43 villainess 43 galactic 43 socially awkward 43 befriends 43 amoral 43 Na'vi 43 weirdo 43 Yelchin 43 adventurer 43 Cylon 43 Mary Elizabeth Winstead 43 sidekick 43 Zod 43 amnesiac 43 Jeff Goldblum 43 C 3PO 43 unbeliever 42 geek 42 astral 42 Sigourney Weaver 42 nerdy 42 martian 42 Autobots 42 evil wizard 42 misanthrope 42 discovers 42 earths 42 orb 42 superhero 42 Kal El 42 humanoid 42 Summer Glau 42 spacemen 42 alter ego 42 Galactus 42 Earth 41 reptilian 41 orbiting 41 nursemaid 41 god 41 protagonist 41 wanderer 41 godlike 41 mousy 41 self absorbed 41 Dominic Monaghan