# oa vs Os

> German confusable word pair

## The two words

### oa
*noun · IPA […] · frequency rank #31,199*
Genitiv Singular des Substantivs uba

### Os
*noun · IPA [oːs] · frequency rank #6,701*
wallförmige Sedimentation von Schotter und Sand unterhalb oder in Spalten von Gletschern

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