con artist vs con man

con artist and con man both are nouns.

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

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

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

Other synonyms of con artist include confidence man.

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