# APK vs AR

> English confusable word pair

## The two words

### APK
*noun · frequency rank #31,064*
An APK file, or an Android app distributed via APK files.

### 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/apk-vs-ar