# acid vs acre

> English confusable word pair

## The two words

### acid
*adjective · IPA /ˈæsɪd/ · frequency rank #3,272*
Sour, sharp, or biting to the taste; tart; having the taste of vinegar.

### acre
*noun · IPA /ˈeɪ.kə/ · frequency rank #7,877*
An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres.

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