incompetent vs depreciation

incompetent and depreciation both are nouns.

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

incompetent (noun)	depreciation (noun)
someone who is not competent to take effective action	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

incompetent (adjective)	depreciation (adjective)
not qualified or suited for a purpose
legally not qualified or sufficient
not doing a good job
not meeting requirements
showing lack of skill or aptitude