# billion

> English word · Numeral · IPA /ˈbɪljən/ · frequency rank #1,811

## Definitions
1. Either of two large amounts:
2. Either of two large amounts:
3. An unspecified very large number.

## Etymology
From French billion, equivalent to bi- (“two”) + -illion.

## Easily confused with
- **bullion** (https://plainspell.com/en/vs/billion-vs-bullion)
- **billions** (https://plainspell.com/en/vs/billion-vs-billions)
- **Billie** (https://plainspell.com/en/vs/billie-vs-billion)
- **ballon** (https://plainspell.com/en/vs/ballon-vs-billion)
- **balloon** (https://plainspell.com/en/vs/balloon-vs-billion)
- **billing** (https://plainspell.com/en/vs/billing-vs-billion)

## Common misspellings (8)
`bbillion`, `bililon`, `bilion`, `billino`, `billionn`, `billoin`, `blilion`, `ibllion`

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