UdovsUlmConfusable pair

Which to use

“Udo” and “Ulm” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,832
“Udo” frequency rank
#4,742
“Ulm” frequency rank
12574
confusion score

Side-by-Side Comparison

Feature Udo Ulm
Definition männlicher Vorname an der Donau gelegene Stadt in Baden-Württemberg

Where the eye mixes Udo and Ulm

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
Udo
3 ch
Ulm

Why the eye confuses Udo with Ulm

A purely visual mix-up. Udo ([ˈuːdo]) and Ulm ([ʊlm]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 12574, derived from the frequency rank of both members and their visual similarity.

Udo is recorded at frequency rank #7,832, classified as aname, pronounced [ˈuːdo]. Ulm is at rank #4,742, tagged as aname, pronounced [ʊlm].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 12574, this pair ranks #1,963,370 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Udo vs Ulm

Shared letters: u. Private to "Udo": do. Private to "Ulm": lm.

"Udo" · 3 letters · shape VCV  ·  "Ulm" · 3 letters · shape VCC

Frequently Asked Questions

Do "Udo" and "Ulm" mean the same thing in a sentence?
No. They are said differently ([ˈuːdo] versus [ʊlm]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Udo" or "Ulm" show up more?
"Ulm" is the more common of the two: it sits at frequency rank #4,742 in our German list, against #7,832 for "Udo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "Udo" and "Ulm" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Udo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ulm" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,963,370 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Udo" and "Ulm" also get mixed up with nearby pairs, the highest-scored neighbour is "ugly vs Ulm". Nearby pair

Confusion rank #1,963,370 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list