depreciation vs dense

depreciation is a noun but dense is not a noun.

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

depreciation (noun)	dense (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)	dense (adjective)
	having high relative density or specific gravity
	hard to pass through because of dense growth
	slow to learn or understand; lacking intellectual acuity
	permitting little if any light to pass through because of denseness of matter
	having component parts closely crowded together