disparagement vs betrayer

disparagement and betrayer both are nouns.

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

disparagement (noun)	betrayer (noun)
the act of speaking contemptuously of	a person who says one thing and does another
a communication that belittles somebody or something	one who reveals confidential information to the police or other authority