depreciation vs gloomy Gus

depreciation and gloomy Gus both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
gloomy Gus	Yes	No	No	No

depreciation (noun)	gloomy Gus (noun)
a decrease in price or value	someone with a habitually sullen or gloomy expression
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use