# add vs AR

> English confusable word pair

## The two words

### add
*verb · IPA /æd/ · frequency rank #840*
To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate.

### 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/add-vs-ar