# auth

> English word · Noun · frequency rank #30,696

## Definitions
1. Abbreviation of authentication.
2. Abbreviation of authorization.
3. Abbreviation of authoritarian.

## Easily confused with
- **aux** (https://plainspell.com/en/vs/auth-vs-aux)
- **auto** (https://plainspell.com/en/vs/auth-vs-auto)
- **author** (https://plainspell.com/en/vs/auth-vs-author)
- **at** (https://plainspell.com/en/vs/at-vs-auth)
- **ah** (https://plainspell.com/en/vs/ah-vs-auth)
- **AU** (https://plainspell.com/en/vs/au-vs-auth)
- **ACT** (https://plainspell.com/en/vs/act-vs-auth)
- **art** (https://plainspell.com/en/vs/art-vs-auth)
- **ate** (https://plainspell.com/en/vs/ate-vs-auth)
- **ash** (https://plainspell.com/en/vs/ash-vs-auth)
- **ahh** (https://plainspell.com/en/vs/ahh-vs-auth)
- **ant** (https://plainspell.com/en/vs/ant-vs-auth)
- **ATM** (https://plainspell.com/en/vs/atm-vs-auth)
- **alt** (https://plainspell.com/en/vs/alt-vs-auth)
- **apt** (https://plainspell.com/en/vs/apt-vs-auth)
- **ATP** (https://plainspell.com/en/vs/atp-vs-auth)
- **aft** (https://plainspell.com/en/vs/aft-vs-auth)
- **att** (https://plainspell.com/en/vs/att-vs-auth)
- **aud** (https://plainspell.com/en/vs/aud-vs-auth)
- **ATV** (https://plainspell.com/en/vs/atv-vs-auth)

## Common misspellings (4)
`atuh`, `auht`, `authh`, `autth`

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