stupid vs depreciation

stupid and depreciation both are nouns.

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

stupid (noun)	depreciation (noun)
a person who is not very bright	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

stupid (adjective)	depreciation (adjective)
lacking or marked by lack of intellectual acuity
lacking intelligence
in a state of mental numbness especially as resulting from shock