dibbuk vs dybbuk

dibbuk and dybbuk both are nouns.

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

As nouns, dibbuk and dybbuk are synonyms defined as:

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

dibbuk (noun)	dybbuk (noun)
(Jewish folklore) a demon that enters the body of a living person and controls that body's behavior	(Jewish folklore) a demon that enters the body of a living person and controls that body's behavior