# Aar vs ATA

> English confusable word pair

## The two words

### Aar
*name · IPA /ɑɹ/ · frequency rank #45,768*
A river in Switzerland, flowing 292 km from the glaciers of the Bernese Alps into the Rhine at Koblenz, on the Swiss–German border.

### ATA
*noun · frequency rank #27,369*
Advanced Technology Attachment; a computer bus technology primarily designed for transfer of data to and from a hard disk. (Renamed PATA when SATA came into existence to more clearly distinguish the two.)

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