# biogas

> English word · Noun · frequency rank #48,620

## Definitions
1. A mixture of methane and carbon dioxide, produced by anaerobic digestion of organic waste matter, used as a fuel.

## Etymology
From bio- + gas.

## Easily confused with
- **BIOS** (https://plainspell.com/en/vs/biogas-vs-bios)
- **Boas** (https://plainspell.com/en/vs/biogas-vs-boas)
- **bogus** (https://plainspell.com/en/vs/biogas-vs-bogus)
- **bogan** (https://plainspell.com/en/vs/biogas-vs-bogan)
- **brogan** (https://plainspell.com/en/vs/biogas-vs-brogan)
- **biomass** (https://plainspell.com/en/vs/biogas-vs-biomass)
- **bias** (https://plainspell.com/en/vs/bias-vs-biogas)
- **Biggs** (https://plainspell.com/en/vs/biggs-vs-biogas)
- **Biggar** (https://plainspell.com/en/vs/biggar-vs-biogas)

## Common misspellings (8)
`bbiogas`, `bigoas`, `bioags`, `biogass`, `bioggas`, `biogsa`, `boigas`, `ibogas`

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