loony vs depreciation

loony and depreciation both are nouns.

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

loony (noun)	depreciation (noun)
someone deranged and possibly dangerous	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

loony (adjective)	depreciation (adjective)
informal or slang terms for mentally irregular