depreciation vs ravage

depreciation and ravage both are nouns.

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

depreciation (noun)	ravage (noun)
a decrease in price or value	(usually plural) a destructive action
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use

depreciation (verb)	ravage (verb)
	make a pillaging or destructive raid on (a place), as in wartimes
	cause extensive destruction or ruin utterly