card shark vs sharpie

card shark and sharpie both are nouns.

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

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

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

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

card shark (noun)	sharpie (noun)
a professional card player who makes a living by cheating at card games	a shallow-draft sailboat with a sharp prow, flat bottom, and triangular sail; formerly used along the northern Atlantic coast of the United States
	a professional card player who makes a living by cheating at card games
	an alert and energetic person