depreciation vs loony

depreciation and loony both are nouns.

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

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

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