plagiariser vs disparagement

plagiariser and disparagement both are nouns.

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

plagiariser (noun)	disparagement (noun)
someone who uses another person's words or ideas as if they were his own	the act of speaking contemptuously of
	a communication that belittles somebody or something