intensity vs intense

intensity is a noun but intense is not a noun.

Word	Noun	Adjective	Verb	Adverb
intensity	Yes	No	No	No
intense	No	Yes	No	No

intensity (noun)	intense (noun)
high level or degree; the property of being intense
chromatic purity: freedom from dilution with white and hence vivid in hue
the magnitude of sound (usually in a specified direction)
the amount of energy transmitted (as by acoustic or electromagnetic radiation)

intensity (adjective)	intense (adjective)
	possessing or displaying a distinctive feature to a heightened degree
	(of color) having the highest saturation
	extremely sharp or severe