Related by context. Frequent words. (Click for all words.) 45 aliens 44 ghouls 43 HG Wells 42 extraterrestrials 42 vampires 40 spooks 40 sci fi 40 zombie 40 beasties 40 undead 39 flying saucers 39 flesh eating 39 ghoulish 39 Earthlings 39 Martians 39 extraterrestrial 39 cannibals 39 Frankenstein 38 Dracula 38 science fiction 38 bloodsuckers 38 earthlings 37 Count Dracula 37 zombies 37 spies 37 alien 36 moon landings 36 UFOs 35 crackpots 35 horror flicks 35 creepy crawlies 35 Martian 35 sociopaths 35 hauntings 35 Boris Karloff 35 vampire 35 Daleks 34 ghost hunters 34 spaceships 34 werewolves 34 spooky 34 Vampires 34 ghosts 34 interlopers 34 credulous 34 creepy 34 Horror 34 busybodies 34 spaceship 33 ghost 33 alien invasion 33 Apes 33 marauders 33 cannibalistic 33 pseudoscience 33 mummies 33 cadavers 33 crooks 33 JM Barrie 33 monsters 33 invading 33 outer space 33 Malcolm McDowell 33 mad scientist 33 X Files 33 rogues 32 cretins 32 Invasion 32 witches 32 serial killers 32 malevolent 32 horror 32 phantoms 32 invaders 32 reptilian 32 fairies 32 hacks 32 macabre 32 racketeers 32 perverts 32 Paranormal 32 Nasa 32 droids 32 cannibal 32 werewolf 32 intergalactic 31 Haunted 31 depraved 31 Skynet 31 relics 31 buzzards 31 Red Planet 31 Horrors 31 paranoid 31 weirdos 31 paranormal 31 Cylons 31 critters 31 Zombies 31 Frankenstein monster 31 crackpot