depreciation vs slave dealer

depreciation and slave dealer both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
slave dealer	Yes	No	No	No

depreciation (noun)	slave dealer (noun)
a decrease in price or value	a person engaged in slave trade
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use