confidence man vs con artist

confidence man and con artist both are nouns.

Word	Noun	Adjective	Verb	Adverb
confidence man	Yes	No	No	No
con artist	Yes	No	No	No

As nouns, confidence man and con artist are synonyms defined as:

confidence man and con artist: a swindler who exploits the confidence of his victim

Other synonyms of confidence man include con man.

confidence man (noun)	con artist (noun)
a swindler who exploits the confidence of his victim	a swindler who exploits the confidence of his victim