acuity vs sharpness

acuity and sharpness both are nouns.

Word	Noun	Adjective	Verb	Adverb
acuity	Yes	No	No	No
sharpness	Yes	No	No	No

As nouns, acuity and sharpness are synonyms defined as:

Other synonyms of acuity include acuteness, keenness.

acuity (noun)	sharpness (noun)
a quick and penetrating intelligence	harshness of manner
sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)	thinness of edge or fineness of point
	a strong odor or taste property
	the quality of being sharp and clear
	the attribute of urgency in tone of voice
	the quality of being keenly and painfully felt
	a quick and penetrating intelligence