# ABC vs AR

> English confusable word pair

## The two words

### ABC
*noun · IPA /eɪ biː ˈsiː/ · frequency rank #4,732*
The English alphabet.

### AR
*adjective · frequency rank #6,436*
Initialism of autoregressive.

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