confidence man vs scammer

confidence man and scammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
confidence man	Yes	No	No	No
scammer	Yes	No	No	No

As nouns, scammer is a hypernym of confidence man; that is, scammer is a word with a broader meaning than confidence man:

Other hypernyms of confidence man include chiseler, chiseller, defrauder, gouger, grifter, swindler.

confidence man (noun)	scammer (noun)
a swindler who exploits the confidence of his victim	a person who swindles you by means of deception or fraud