# Ulm vs USF

> English confusable word pair

## The two words

### Ulm
*name · IPA /ʊlm/ · frequency rank #46,235*
A city on the River Danube in Baden-Württemberg, Germany.

### USF
*name · frequency rank #38,224*
Initialism of Nintendo Ultra 64 Sound Format.

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