firebrand vs depreciation

firebrand and depreciation both are nouns.

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

firebrand (noun)	depreciation (noun)
someone who deliberately foments trouble	a decrease in price or value
a piece of wood that has been burned or is burning	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use