depreciation vs usurper

depreciation and usurper both are nouns.

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

depreciation (noun)	usurper (noun)
a decrease in price or value	one who wrongfully or illegally seizes and holds the place of another
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use