disparagement vs detractor

disparagement and detractor both are nouns.

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

disparagement (noun)	detractor (noun)
the act of speaking contemptuously of	one who disparages or belittles the worth of something
a communication that belittles somebody or something