Billy the Kid vs depreciation

Billy the Kid and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Billy the Kid	Yes	No	No	No
depreciation	Yes	No	No	No

Billy the Kid (noun)	depreciation (noun)
United States outlaw who was said to have killed 21 men (1859-1881)	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use