# billing vs billion

> English confusable word pair

## The two words

### billing
*verb · IPA /ˈbɪlɪŋ/ · frequency rank #13,104*
present participle and gerund of bill

### billion
*num · IPA /ˈbɪljən/ · frequency rank #1,811*
Either of two large amounts:

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