depreciator vs depreciation

depreciator and depreciation both are nouns.

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

depreciator (noun)	depreciation (noun)
one who disparages or belittles the worth of something	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use