# BIOS

> English word · Noun · IPA /ˈbaɪ.ɒs/ · frequency rank #20,568

## Definitions
1. Acronym of Basic Input/Output System.
2. any firmware user interface that provides similar functionality as BIOS, such as UEFI.

## Easily confused with
- **BS** (https://plainspell.com/en/vs/bios-vs-bs)
- **bo** (https://plainspell.com/en/vs/bios-vs-bo)
- **bit** (https://plainspell.com/en/vs/bios-vs-bit)
- **boy** (https://plainspell.com/en/vs/bios-vs-boy)
- **box** (https://plainspell.com/en/vs/bios-vs-box)
- **bus** (https://plainspell.com/en/vs/bios-vs-bus)
- **bob** (https://plainspell.com/en/vs/bios-vs-bob)
- **bro** (https://plainspell.com/en/vs/bios-vs-bro)
- **bow** (https://plainspell.com/en/vs/bios-vs-bow)
- **boo** (https://plainspell.com/en/vs/bios-vs-boo)
- **bot** (https://plainspell.com/en/vs/bios-vs-bot)
- **BON** (https://plainspell.com/en/vs/bios-vs-bon)
- **Boi** (https://plainspell.com/en/vs/bios-vs-boi)
- **bop** (https://plainspell.com/en/vs/bios-vs-bop)
- **bis** (https://plainspell.com/en/vs/bios-vs-bis)
- **bog** (https://plainspell.com/en/vs/bios-vs-bog)
- **BOM** (https://plainspell.com/en/vs/bios-vs-bom)
- **biz** (https://plainspell.com/en/vs/bios-vs-biz)
- **BTS** (https://plainspell.com/en/vs/bios-vs-bts)
- **boa** (https://plainspell.com/en/vs/bios-vs-boa)

## Common misspellings (4)
`bbios`, `bioss`, `biso`, `ibos`

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