bank robber vs depreciation

bank robber and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bank robber	Yes	No	No	No
depreciation	Yes	No	No	No

bank robber (noun)	depreciation (noun)
a robber of banks	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use