depreciation vs windbag

depreciation and windbag both are nouns.

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

depreciation (noun)	windbag (noun)
a decrease in price or value	a boring person who talks a great deal about uninteresting topics
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use