black magic vs sorcery

black magic and sorcery both are nouns.

Word	Noun	Adjective	Verb	Adverb
black magic	Yes	No	No	No
sorcery	Yes	No	No	No

As nouns, black magic and sorcery are synonyms defined as:

black magic and sorcery: the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world

Other synonyms of black magic include black art, necromancy.

black magic (noun)	sorcery (noun)
the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world	the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world