# underage vs undergo

> English confusable word pair

## The two words

### underage
*adjective · IPA /ˌʌndəɹˈeɪd͡ʒ/ · frequency rank #15,727*
Below the legal age (usually age 18) for some activity, such as consuming alcohol or engaging in sexual intercourse.

### 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/underage-vs-undergo