gloomy Gus vs depreciation

gloomy Gus and depreciation both are nouns.

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

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