acute vs intense

acute is a noun but intense is not a noun.

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

As adjectives, acute and intense are synonyms defined as:

acute (noun)	intense (noun)
a mark placed above a vowel to indicate pronunciation

acute (adjective)	intense (adjective)
having or experiencing a rapid onset and short but severe course	possessing or displaying a distinctive feature to a heightened degree
of an angle; less than 90 degrees	(of color) having the highest saturation
of critical importance and consequence	extremely sharp or severe
having or demonstrating ability to recognize or draw fine distinctions
ending in a sharp point
extremely sharp or severe