depreciation vs bottom feeder

depreciation and bottom feeder both are nouns.

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

depreciation (noun)	bottom feeder (noun)
a decrease in price or value	an opportunist who profits from the misfortunes of others
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use