keenness vs sharpness

keenness and sharpness both are nouns.

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

As nouns, keenness and sharpness are synonyms defined as:

As nouns, keenness and sharpness are synonyms defined as:

Other synonyms of keenness include acuity, acuteness.

keenness (noun)	sharpness (noun)
thinness of edge or fineness of point	harshness of manner
a quick and penetrating intelligence	thinness of edge or fineness of point
a positive feeling of wanting to push ahead with something	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