serial murderer vs disparagement

serial murderer and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
serial murderer	Yes	No	No	No
disparagement	Yes	No	No	No

serial murderer (noun)	disparagement (noun)
someone who murders more than three victims one at a time in a relatively short interval	the act of speaking contemptuously of
	a communication that belittles somebody or something