disparagement vs rotter

disparagement and rotter both are nouns.

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

disparagement (noun)	rotter (noun)
the act of speaking contemptuously of	a person who is deemed to be despicable or contemptible
a communication that belittles somebody or something