Barbary pirate vs depreciation

Barbary pirate and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Barbary pirate	Yes	No	No	No
depreciation	Yes	No	No	No

Barbary pirate (noun)	depreciation (noun)
a pirate along the Barbary Coast	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use