firebug vs disparagement

firebug and disparagement both are nouns.

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

firebug (noun)	disparagement (noun)
a true bug: brightly colored bug that can exude a stain	the act of speaking contemptuously of
a criminal who illegally sets fire to property	a communication that belittles somebody or something