cardsharp vs card sharp

cardsharp and card sharp both are nouns.

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

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

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

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

cardsharp (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