# ID

> English word · Noun · IPA /aɪˈdiː/ · frequency rank #2,448

## Definitions
1. Abbreviation of identification / identifier / identity document.
2. An electronic music track without an official title.
3. An ident.
4. Initialism of image description.
5. Initialism of intellectual disability.
6. Initialism of intelligent design.
7. Initialism of industrial design.
8. Initialism of inside diameter or inner diameter or internal diameter.
9. Initialism of industry discount.
10. Initialism of iron deficiency.

## Easily confused with
- **in** (https://plainspell.com/en/vs/id-vs-in)
- **is** (https://plainspell.com/en/vs/id-vs-is)
- **it** (https://plainspell.com/en/vs/id-vs-it)
- **if** (https://plainspell.com/en/vs/id-vs-if)
- **II** (https://plainspell.com/en/vs/id-vs-ii)
- **IV** (https://plainspell.com/en/vs/id-vs-iv)
- **IP** (https://plainspell.com/en/vs/id-vs-ip)
- **IQ** (https://plainspell.com/en/vs/id-vs-iq)
- **IG** (https://plainspell.com/en/vs/id-vs-ig)
- **io** (https://plainspell.com/en/vs/id-vs-io)
- **IK** (https://plainspell.com/en/vs/id-vs-ik)
- **iz** (https://plainspell.com/en/vs/id-vs-iz)
- **IH** (https://plainspell.com/en/vs/id-vs-ih)
- **IJ** (https://plainspell.com/en/vs/id-vs-ij)
- **its** (https://plainspell.com/en/vs/id-vs-its)
- **inc** (https://plainspell.com/en/vs/id-vs-inc)
- **ill** (https://plainspell.com/en/vs/id-vs-ill)
- **IDK** (https://plainspell.com/en/vs/id-vs-idk)
- **ion** (https://plainspell.com/en/vs/id-vs-ion)
- **iOS** (https://plainspell.com/en/vs/id-vs-ios)

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