depreciation vs mass murderer

depreciation and mass murderer both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
mass murderer	Yes	No	No	No

depreciation (noun)	mass murderer (noun)
a decrease in price or value	a person who is responsible for the deaths of many victims in a single incident
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use