As nouns the difference between acute and pain
is that
acute is an acute accent while
pain is an ache or bodily suffering, or an instance of this; an unpleasant sensation, resulting from a derangement of functions, disease, or injury by violence; hurt.
As verbs the difference between acute and pain
is that
acute is to give an acute sound to while
pain is to hurt; to put to bodily uneasiness or anguish; to afflict with uneasy sensations of any degree of intensity; to torment; to torture.
As an adjective acute
is urgent.
As a proper noun Pain is
an English surname, variant of Paine.