# onboard vs outboard

> English confusable word pair

## The two words

### onboard
*adjective · IPA /ɑnˈbɔɹd/ · frequency rank #13,971*
Carried or used on or in a vehicle or vessel.

### outboard
*adjective · frequency rank #34,620*
Situated outside the hull of a vessel.

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