gun for hire vs depreciation

gun for hire and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
gun for hire	Yes	No	No	No
depreciation	Yes	No	No	No

gun for hire (noun)	depreciation (noun)
a professional killer who uses a gun	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use