acute vs medical specialty

acute and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
acute	Yes	Yes	No	No
medical specialty	Yes	No	No	No

acute (noun)	medical specialty (noun)
a mark placed above a vowel to indicate pronunciation	the branches of medical science that deal with nonsurgical techniques

acute (adjective)	medical specialty (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