lunatic vs depreciation

lunatic and depreciation both are nouns.

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

lunatic (noun)	depreciation (noun)
an insane person	a decrease in price or value
a reckless impetuous irresponsible person	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

lunatic (adjective)	depreciation (adjective)
insane and believed to be affected by the phases of the moon