# acre vs arm

> English confusable word pair

## The two words

### 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.

### arm
*noun · IPA /ɑːm/ · frequency rank #1,887*
The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand.

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