# once vs one

> English confusable word pair

## The two words

### once
*adverb · IPA /wʌn(t)s/ · frequency rank #275*
One and only one time.

### one
*num · IPA /wʌn/ · frequency rank #38*
The number represented by the Arabic numeral 1; the numerical value equal to that cardinal number.

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