# Planck vs ulli

> German confusable word pair

## The two words

### Planck
*name · IPA […] · frequency rank #15,968*
deutscher Nachname, Familienname

### ulli
*unknown · IPA […] · frequency rank #32,322*
Dativ Singular des Indefinitpronomens ullus

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