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Acuity vs Acrity - What's the difference?

acuity | acrity |

As nouns the difference between acuity and acrity

is that acuity is sharpness or acuteness, as of a needle, wit, etc while acrity is sharpness; keenness.

acuity

English

Noun

(acuities)
  • Sharpness or acuteness, as of a needle, wit, etc.
  • acrity

    English

    Noun

  • (obsolete) sharpness; keenness
  • (Webster 1913)