SimilarityRank
alien 0.883 7181
extraterrestrials 0.802 77701
Aliens 0.777 31394
extraterrestrial 0.743 39627
Alien 0.728 21219
humanoids 0.716 74759
ETs 0.709 87031
spaceships 0.700 57887
Martians 0.694 53763
cyborgs 0.682 86564
non-citizens 0.673 81386
Klingons 0.670 63083
monsters 0.668 10996
intergalactic 0.667 62540
lifeforms 0.666 86758
UFO's 0.658 89749
UFOs 0.654 31458
humanoid 0.652 37133
illegals 0.652 36397
zombies 0.651 14845
spaceship 0.650 31046
Cylons 0.647 77028
ghosts 0.645 14104
Romulans 0.644 95562
droids 0.644 75823