acute vs acute accent

acute and acute accent both are nouns.

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

As nouns, acute and acute accent are synonyms defined as:

acute and acute accent: a mark placed above a vowel to indicate pronunciation

Other synonyms of acute include ague.

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

acute (adjective)	acute accent (adjective)
having or experiencing a rapid onset and short but severe course
of an angle; less than 90 degrees
of critical importance and consequence
having or demonstrating ability to recognize or draw fine distinctions
ending in a sharp point
extremely sharp or severe