# an vs arm

> English confusable word pair

## The two words

### an
*article · IPA /ˈæn/ · frequency rank #30*
Form of a (all article senses).

### 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/an-vs-arm