cardsharp vs card shark

cardsharp and card shark both are nouns.

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

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

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

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

cardsharp (noun)	card shark (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