# under vs undergo

> English confusable word pair

## The two words

### under
*preposition · IPA /ˈʌndə/ · frequency rank #180*
Beneath; below; at or to the bottom of, or the area covered or surmounted by.

### undergo
*verb · IPA /ˌʌndɚˈɡoʊ/ · frequency rank #9,552*
To experience; to pass through a phase.

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