nudnik vs depreciation

nudnik and depreciation both are nouns.

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

nudnik (noun)	depreciation (noun)
(Yiddish) someone who is a boring pest	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use