# add vs AF

> 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.

### AF
*noun · IPA /eɪ̯ˈɛf/ · frequency rank #7,413*
Initialism of air force.

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