dybbuk vs dibbuk

dybbuk and dibbuk both are nouns.

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

As nouns, dybbuk and dibbuk are synonyms defined as:

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

dybbuk (noun)	dibbuk (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