# ID vs if

> English confusable word pair

## The two words

### ID
*noun · IPA /aɪˈdiː/ · frequency rank #2,448*
Abbreviation of identification / identifier / identity document.

### if
*conjunction · IPA /ɪf/ · frequency rank #37*
Supposing that, assuming that, in the circumstances that; used to introduce a condition that may be (or prove to be) either true or false.

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