# ID vs IV

> English confusable word pair

## The two words

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

### IV
*adjective · IPA /ˌaɪ ˈviː/ · frequency rank #3,762*
Abbreviation of intravenous.

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