card sharp vs grifter

card sharp and grifter both are nouns.

Word	Noun	Adjective	Verb	Adverb
card sharp	Yes	No	No	No
grifter	Yes	No	No	No

As nouns, grifter is a hypernym of card sharp; that is, grifter is a word with a broader meaning than card sharp:

card sharp: a professional card player who makes a living by cheating at card games
grifter: a person who swindles you by means of deception or fraud

Other hypernyms of card sharp include card player, chiseler, chiseller, defrauder, gouger, scammer, swindler.

card sharp (noun)	grifter (noun)
a professional card player who makes a living by cheating at card games	a person who swindles you by means of deception or fraud