nominal head vs depreciation

nominal head and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
nominal head	Yes	No	No	No
depreciation	Yes	No	No	No

nominal head (noun)	depreciation (noun)
a person used as a cover for some questionable activity	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use