# undergo

> English word · Verb · IPA /ˌʌndɚˈɡoʊ/ · frequency rank #9,552

## Definitions
1. To experience; to pass through a phase.
2. To suffer or endure; bear with.
3. To go or move under or beneath.

## Etymology
From Middle English undergon, from Old English undergān (“to undergo, undermine, ruin”), equivalent to under- + go. Cognate with Dutch ondergaan (“to undergo, perish, sink”), German untergehen (“to perish, sink, undergo”), Swedish undergå (“to undergo, go through”).

## Easily confused with
- **under** (https://plainspell.com/en/vs/under-vs-undergo)
- **underage** (https://plainspell.com/en/vs/underage-vs-undergo)
- **underdog** (https://plainspell.com/en/vs/underdog-vs-undergo)

## Common misspellings (10)
`nudergo`, `udnergo`, `unddergo`, `undegro`, `underggo`, `underog`, `underrgo`, `undrego`, `unedrgo`, `unndergo`

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