# undefeated vs undetected

> English confusable word pair

## The two words

### undefeated
*adjective · frequency rank #12,707*
Never defeated; always victorious.

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

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