irritating vs depreciation

irritating is not a noun while depreciation is a noun.

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

irritating (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

irritating (adjective)	depreciation (adjective)
causing irritation or annoyance
(used of physical stimuli) serving to stimulate or excite
causing physical discomfort