cardsharper vs card shark

cardsharper and card shark both are nouns.

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

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

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

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

cardsharper (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