# OECD vs once

> English confusable word pair

## The two words

### OECD
*name · frequency rank #16,288*
Initialism of Organisation for Economic Co-operation and Development.

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

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