sharper vs scammer

sharper and scammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
sharper	Yes	No	No	No
scammer	Yes	No	No	No

As nouns, scammer is a hypernym of sharper; that is, scammer is a word with a broader meaning than sharper:

sharper: a professional card player who makes a living by cheating at card games
scammer: a person who swindles you by means of deception or fraud

Other hypernyms of sharper include card player, chiseler, chiseller, defrauder, gouger, grifter, swindler.

sharper (noun)	scammer (noun)
a professional card player who makes a living by cheating at card games	a person who swindles you by means of deception or fraud