undoer vs disparagement

undoer and disparagement both are nouns.

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

undoer (noun)	disparagement (noun)
a person who destroys or ruins or lays waste to	the act of speaking contemptuously of
a person who unfastens or unwraps or opens	a communication that belittles somebody or something
a seducer who ruins a woman