sourpuss vs depreciation

sourpuss and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sourpuss	Yes	No	No	No
depreciation	Yes	No	No	No

sourpuss (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