disparagement vs firebrand

disparagement and firebrand both are nouns.

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

disparagement (noun)	firebrand (noun)
the act of speaking contemptuously of	someone who deliberately foments trouble
a communication that belittles somebody or something	a piece of wood that has been burned or is burning