acute vs ague

acute and ague both are nouns.

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

As nouns, acute and ague are synonyms defined as:

Other synonyms of acute include acute accent.

acute (noun)	ague (noun)
a mark placed above a vowel to indicate pronunciation	a mark placed above a vowel to indicate pronunciation
	a fit of shivering or shaking
	successive stages of chills and fever that is a symptom of malaria

acute (adjective)	ague (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