sharpness vs distinctness

sharpness and distinctness both are nouns.

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

As nouns, sharpness and distinctness are synonyms defined as:

sharpness (noun)	distinctness (noun)
harshness of manner	the quality of being sharp and clear
thinness of edge or fineness of point	the quality of being not alike; being distinct or different from that otherwise experienced or known
a strong odor or taste property	the state of being several and distinct
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