depreciation vs unskilled

depreciation is a noun but unskilled is not a noun.

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

depreciation (noun)	unskilled (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

depreciation (adjective)	unskilled (adjective)
	not having or showing or requiring special skill or proficiency
	not doing a good job
	lacking professional skill or expertise