# extension vs observation

> German confusable word pair

## The two words

### extension
*noun · IPA […] · frequency rank #33,032*
Ausdehnung, Erweiterung, Umfang

### observation
*noun · IPA […] · frequency rank #49,936*
Beobachtung, Observation, Überwachung

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/de/vs/extension-vs-observation