raciness vs sharpness

raciness and sharpness both are nouns.

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

As nouns, raciness and sharpness are synonyms defined as:

Other synonyms of raciness include bite, pungency.

raciness (noun)	sharpness (noun)
behavior or language bordering on indelicacy	harshness of manner
a strong odor or taste property	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