# undetected vs undeterred

> English confusable word pair

## The two words

### undetected
*adjective · frequency rank #28,069*
Not found; undiscovered.

### undeterred
*adjective · frequency rank #49,692*
Not deterred or put off; undiscouraged.

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