# acuity vs annuity

> English confusable word pair

## The two words

### acuity
*noun · IPA /əˈkjuːɪti/ · frequency rank #36,417*
Sharpness or acuteness, as of a needle, wit, etc.

### annuity
*noun · IPA /əˈn(j)uɪti/ · frequency rank #18,238*
A right to receive amounts of money regularly over a certain fixed period, in perpetuity, or, especially, over the remaining life or lives of one or more beneficiaries.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/acuity-vs-annuity