demon

As nouns the difference between demon and demonianism

is that demon is demon while demonianism is possession by a demon or demons.

As nouns the difference between demon and demonography

is that demon is demon while demonography is a bestiary dealing with demons.

As a noun demon

is an evil spirit.

As a proper noun Belial is

a wicked demon in Christian and Jewish apocrypha.

As nouns the difference between demon and demonism

is that demon is demon while demonism is belief in, or worship of demons or devils.

As nouns the difference between demon and archdemon

is that demon is an evil spirit while archdemon is a chief demon; an archdevil.

As a noun demon

is demon.

As a proper noun lilith is

(mythology) a mesopotamian storm demon, a bearer of disease and death; also the first wife of adam in jewish folklore.

As nouns the difference between demon and superbeing

is that demon is demon while superbeing is comic books: a superhero or supervillain.

As a noun demon

is an evil spirit.

As an adjective demonlike is

resembling a demon in form or action.

As a noun demon

is an evil spirit.

As a proper noun Demogorgon is

a pagan god or demon, associated with the underworld and envisaged as a powerful primordial being, whose very name was taboo; an incubus.