disparagement vs bottom feeder

disparagement and bottom feeder both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
bottom feeder	Yes	No	No	No

disparagement (noun)	bottom feeder (noun)
the act of speaking contemptuously of	an opportunist who profits from the misfortunes of others
a communication that belittles somebody or something