sorcery vs witchery

sorcery and witchery both are nouns.

Word	Noun	Adjective	Verb	Adverb
sorcery	Yes	No	No	No
witchery	Yes	No	No	No

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

sorcery: the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world
witchery: the art of sorcery

Other hyponyms of sorcery include witchcraft, bewitchment, enchantment, demonism, diabolism, Satanism, obiism.

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