demon vs dibbuk

demon and dibbuk both are nouns.

Word	Noun	Adjective	Verb	Adverb
demon	Yes	No	No	No
dibbuk	Yes	No	No	No

As nouns, dibbuk is a hyponym of demon; that is, dibbuk is a word with a more specific, narrower meaning than demon:

demon: an evil supernatural being
dibbuk: (Jewish folklore) a demon that enters the body of a living person and controls that body's behavior

Other hyponyms of demon include incubus, succuba, succubus, dybbuk.

demon (noun)	dibbuk (noun)
an evil supernatural being	(Jewish folklore) a demon that enters the body of a living person and controls that body's behavior
a cruel wicked and inhuman person
someone extremely diligent or skillful