disparagement vs impersonator

disparagement and impersonator both are nouns.

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

disparagement (noun)	impersonator (noun)
the act of speaking contemptuously of	someone who (fraudulently) assumes the appearance of another
a communication that belittles somebody or something