RichThesaurus
acuity
vs
keen-wittedness
acuity
noun
The ability to think, see, or hear clearly.
Sharpness or acuteness, as of a needle, wit, etc.
keen-wittedness
How often have the words
acuity
and
keen-wittedness
occurred in a corpus of books?
(source:
Google Ngram Viewer
)