con artist vs chiseler

con artist and chiseler both are nouns.

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

As nouns, chiseler is a hypernym of con artist; that is, chiseler is a word with a broader meaning than con artist:

Other hypernyms of con artist include chiseller, defrauder, gouger, grifter, scammer, swindler.

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