enchantress vs femme fatale

enchantress and femme fatale both are nouns.

Word	Noun	Adjective	Verb	Adverb
enchantress	Yes	No	No	No
femme fatale	Yes	No	No	No

As nouns, enchantress and femme fatale are synonyms defined as:

enchantress and femme fatale: a woman who is considered to be dangerously seductive

Other synonyms of enchantress include Delilah, siren, temptress.

enchantress (noun)	femme fatale (noun)
a female sorcerer or magician	a woman who is considered to be dangerously seductive
a woman who is considered to be dangerously seductive