spookism means spooky or ghostly things; spookery. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From spook + -ism.
noun
- Spooky or ghostly things; spookery.“Can't you omit some spookism, which is simply "rot"? I feel like writing to your "spiritual" friends to spare you.”