disparagement vs perjurer

disparagement and perjurer both are nouns.

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

disparagement (noun)	perjurer (noun)
the act of speaking contemptuously of	a person who deliberately gives false testimony
a communication that belittles somebody or something