# O'Neil

> English word · Proper noun · frequency rank #28,311

## Definitions
1. A surname from Irish [in turn originating as a patronymic], a variant of O'Neill.

## Etymology
See O'Neill

## Easily confused with
- **O'Neill** (https://plainspell.com/en/vs/o-neil-vs-o-neill)
- **O'Neal** (https://plainspell.com/en/vs/o-neal-vs-o-neil)

## Common misspellings (6)
`'oneil`, `o'enil`, `o'neli`, `o'niel`, `o'nneil`, `on'eil`

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