apparition

demon

demonic

demons

exorcism

exorcist

fright

frightening

ghost

ghost hunter

ghostlike

ghostly

ghosts

ghoul

ghouls

halloween

haunt

haunted

haunted house

haunting

hell

horror

insane

insanity

living dead

nightmare

paranormal

phantom

poltergeist

possessed

ritual

ritualistic

satan

satanic

scary

seance

scare

specter

spirits

spooky

supernatural

terrifying

terror

torture

undead

unworldly

film noir

whisper

whispering

zombie