depreciation vs wet blanket

depreciation and wet blanket both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
wet blanket	Yes	No	No	No

depreciation (noun)	wet blanket (noun)
a decrease in price or value	someone who spoils the pleasure of others
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use