depreciation vs half-wit

depreciation and half-wit both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
half-wit	Yes	No	No	No

depreciation (noun)	half-wit (noun)
a decrease in price or value	a stupid incompetent person
a communication that belittles somebody or something	a person of subnormal intelligence
decrease in value of an asset due to obsolescence or use