plagiariser vs depreciation

plagiariser and depreciation both are nouns.

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

plagiariser (noun)	depreciation (noun)
someone who uses another person's words or ideas as if they were his own	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use