# AUC vs auto

> English confusable word pair

## The two words

### AUC
*adverb · frequency rank #48,600*
According to the Roman era, which reckons the number of years passed from the foundation of the city of Rome by Romulus, now usually taken as 753 bc.

### auto
*adjective · IPA /ˈɔːtəʊ/ · frequency rank #3,099*
Clipping of automatic (of a gearbox/transmission).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/auc-vs-auto