litterbug vs disparagement

litterbug and disparagement both are nouns.

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

litterbug (noun)	disparagement (noun)
a person who litters public places with refuse	the act of speaking contemptuously of
	a communication that belittles somebody or something