astuteness vs perspicacity

astuteness and perspicacity both are nouns.

Word	Noun	Adjective	Verb	Adverb
astuteness	Yes	No	No	No
perspicacity	Yes	No	No	No

As nouns, astuteness and perspicacity are synonyms defined as:

astuteness and perspicacity: intelligence manifested by being astute (as in business dealings)

Other synonyms of astuteness include perspicaciousness, shrewdness.

astuteness (noun)	perspicacity (noun)
intelligence manifested by being astute (as in business dealings)	the capacity to assess situations or circumstances shrewdly and to draw sound conclusions
the intellectual ability to penetrate deeply into ideas	intelligence manifested by being astute (as in business dealings)