# once vs ounce

> English confusable word pair

## The two words

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

### ounce
*noun · IPA /aʊns/ · frequency rank #9,642*
An avoirdupois ounce, weighing ¹⁄₁₆ of an avoirdupois pound, or 28.349523125 grams.

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