necromancer vs exorcist

necromancer and exorcist both are nouns.

Word	Noun	Adjective	Verb	Adverb
necromancer	Yes	No	No	No
exorcist	Yes	No	No	No

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

Other hyponyms of necromancer include enchanter, exorciser, magus, sorceress, witch doctor.

necromancer (noun)	exorcist (noun)
one who practices magic or sorcery	someone who practices exorcism
one who practices divination by conjuring up the dead	one of the minor orders in the unreformed Western Church but now suppressed in the Roman Catholic Church