enchantment vs necromancy

enchantment and necromancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
enchantment	Yes	No	No	No
necromancy	Yes	No	No	No

As nouns, necromancy is a hypernym of enchantment; that is, necromancy is a word with a broader meaning than enchantment:

enchantment: a magical spell
necromancy: the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world

Other hypernyms of enchantment include black art, black magic, sorcery.

enchantment (noun)	necromancy (noun)
a magical spell	conjuring up the dead, especially for prophesying
a feeling of great liking for something wonderful and unusual	the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world
a psychological state induced by (or as if induced by) a magical incantation