# on vs Opa

> German confusable word pair

## The two words

### on
*abbrev · frequency rank #975*
online

### Opa
*noun · IPA [ˈoːpa] · frequency rank #4,728*
Großvater; Vater des Vaters oder der Mutter

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