vacuous vs depreciation

vacuous is not a noun while depreciation is a noun.

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

vacuous (noun)	depreciation (noun)
	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

vacuous (adjective)	depreciation (adjective)
devoid of matter
devoid of intelligence or thought
devoid of significance or force