necromancer vs magician

necromancer and magician both are nouns.

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

As nouns, necromancer and magician are synonyms defined as:

Other synonyms of necromancer include sorcerer, thaumaturge, thaumaturgist, wizard.

necromancer (noun)	magician (noun)
one who practices magic or sorcery	one who practices magic or sorcery
one who practices divination by conjuring up the dead	someone who performs magic tricks to amuse an audience