# Oahu

> English word · Proper noun · IPA /oʊˈɑhu/ · frequency rank #29,397

## Definitions
1. The third-largest island of Hawaii, included in the City and County of Honolulu.

## Etymology
From Hawaiian Oʻahu, probably a corruption of Hawaiian o + Hawaiian ahu (cognate with Rapa Nui ahu), thus [place] of an altar or platform.

## Easily confused with
- **OH** (https://plainspell.com/en/vs/oahu-vs-oh)
- **ou** (https://plainspell.com/en/vs/oahu-vs-ou)
- **oak** (https://plainspell.com/en/vs/oahu-vs-oak)
- **ooh** (https://plainspell.com/en/vs/oahu-vs-ooh)
- **ohm** (https://plainspell.com/en/vs/oahu-vs-ohm)
- **oat** (https://plainspell.com/en/vs/oahu-vs-oat)
- **oar** (https://plainspell.com/en/vs/oahu-vs-oar)
- **och** (https://plainspell.com/en/vs/oahu-vs-och)
- **oth** (https://plainspell.com/en/vs/oahu-vs-oth)
- **OAS** (https://plainspell.com/en/vs/oahu-vs-oas)
- **oath** (https://plainspell.com/en/vs/oahu-vs-oath)
- **oaks** (https://plainspell.com/en/vs/oahu-vs-oaks)
- **oats** (https://plainspell.com/en/vs/oahu-vs-oats)
- **OSHA** (https://plainspell.com/en/vs/oahu-vs-osha)
- **oars** (https://plainspell.com/en/vs/oahu-vs-oars)
- **Omaha** (https://plainspell.com/en/vs/oahu-vs-omaha)
- **oaths** (https://plainspell.com/en/vs/oahu-vs-oaths)
- **otaku** (https://plainspell.com/en/vs/oahu-vs-otaku)
- **OA** (https://plainspell.com/en/vs/oa-vs-oahu)

## Common misspellings (4)
`aohu`, `oahhu`, `oauh`, `ohau`

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