maniac vs depreciation

maniac and depreciation both are nouns.

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

maniac (noun)	depreciation (noun)
an insane person	a decrease in price or value
a person who has an obsession with or excessive enthusiasm for something	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

maniac (adjective)	depreciation (adjective)
wildly disordered