disparagement vs reversionist

disparagement and reversionist both are nouns.

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

disparagement (noun)	reversionist (noun)
the act of speaking contemptuously of	someone who lapses into previous undesirable patterns of behavior
a communication that belittles somebody or something