ladies' man vs seducer

ladies' man and seducer both are nouns.

Word	Noun	Adjective	Verb	Adverb
ladies' man	Yes	No	No	No
seducer	Yes	No	No	No

As nouns, ladies' man and seducer are synonyms defined as:

Other synonyms of ladies' man include lady killer.

ladies' man (noun)	seducer (noun)
a man who takes advantage of women	a man who takes advantage of women
	a bad person who entices others into error or wrongdoing