foolish vs depreciation

foolish is not a noun while depreciation is a noun.

Word	Noun	Adjective	Verb	Adverb
foolish	No	Yes	No	No
depreciation	Yes	No	No	No

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

foolish (adjective)	depreciation (adjective)
devoid of good sense or judgment
having or revealing stupidity