card shark vs card sharp

card shark and card sharp both are nouns.

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

As nouns, card shark and card sharp are synonyms defined as:

card shark and card sharp: a professional card player who makes a living by cheating at card games

Other synonyms of card shark include card sharper, cardsharp, cardsharper, sharper, sharpie, sharpy.

card shark (noun)	card sharp (noun)
a professional card player who makes a living by cheating at card games	a professional card player who makes a living by cheating at card games