black sheep vs depreciation

black sheep and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
black sheep	Yes	No	No	No
depreciation	Yes	No	No	No

black sheep (noun)	depreciation (noun)
sheep with a black coat	a decrease in price or value
a reckless and unprincipled reprobate	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use