disparagement vs usurper

disparagement and usurper both are nouns.

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

disparagement (noun)	usurper (noun)
the act of speaking contemptuously of	one who wrongfully or illegally seizes and holds the place of another
a communication that belittles somebody or something