# o vs oi

> English confusable word pair

## The two words

### o
*character · IPA /ˈəʊ/ · frequency rank #790*
The fifteenth letter of the English alphabet, called o and written in the Latin script.

### oi
*intj · IPA /ɔɪ/ · frequency rank #11,081*
Said to get someone's attention; hey.

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