depreciation vs sharper

depreciation and sharper both are nouns.

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

depreciation (noun)	sharper (noun)
a decrease in price or value	a professional card player who makes a living by cheating at card games
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use