depreciation vs underdog

depreciation and underdog both are nouns.

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

depreciation (noun)	underdog (noun)
a decrease in price or value	one at a disadvantage and expected to lose
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use