unintelligent vs depreciation

unintelligent is not a noun while depreciation is a noun.

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

unintelligent (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

unintelligent (adjective)	depreciation (adjective)
lacking intelligence