bad egg vs depreciation

bad egg and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bad egg	Yes	No	No	No
depreciation	Yes	No	No	No

bad egg (noun)	depreciation (noun)
(old-fashioned slang) a bad person	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use