card sharper vs scammer

card sharper and scammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
card sharper	Yes	No	No	No
scammer	Yes	No	No	No

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

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

Other hypernyms of card sharper include card player, chiseler, chiseller, defrauder, gouger, grifter, swindler.

card sharper (noun)	scammer (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