depreciation vs backseat driver

depreciation and backseat driver both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
backseat driver	Yes	No	No	No

depreciation (noun)	backseat driver (noun)
a decrease in price or value	a meddler who insists on giving unwanted advice
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use