ineptitude vs depreciation

ineptitude and depreciation both are nouns.

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

ineptitude (noun)	depreciation (noun)
having no qualities that would render it valuable or useful	a decrease in price or value
unskillfulness resulting from a lack of training	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use