alien

chiller

crawly

creature

creepy

darkness

den

doom

dragon

dungeon

eerie

evil

fear

flesh

foreboding

fright

ghastly

goblin

gothic

gremlin

hair raise

halloween

haunt

hell

hiss

hole

horror

lair

malignant

menacing

monster

murky

mythical

nightmare

ogre

ominous

organism

predator

roar

scary

sinister

spooky

suspense

swamp

terrifying

troll

un holy

undead

underworld

unpleasant