cardsharper vs cardsharp

cardsharper and cardsharp both are nouns.

Word	Noun	Adjective	Verb	Adverb
cardsharper	Yes	No	No	No
cardsharp	Yes	No	No	No

As nouns, cardsharper and cardsharp are synonyms defined as:

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

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

cardsharper (noun)	cardsharp (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