UlmvsuxTell them apart

Quick tell: Ulm is a noun, ux is a typographic variant, so they fill different roles in a sentence.

Which to use

“Ulm” is a noun and “ux” is a typographic variant - they look or sound alike but fill different roles in a sentence.

#23,405
“Ulm” frequency rank
#28,392
“ux” frequency rank
51797
confusion score

Side-by-Side Comparison

Feature Ulm ux
Definition Ville, commune et arrondissement d’Allemagne, située dans le Bade-Wurtemberg. Orthographe par contrainte typographique par système x de ŭ.

Where the eye mixes Ulm and ux

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

3 ch
Ulm
2 ch
ux

Look-alike desk: Ulm vs ux

These two trip readers on the page rather than in the ear: Ulm is \ulm\ while ux is \wo\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs typographic variant), which is usually the fastest check. Our composite confusion score for this pair is 51797, derived from the frequency rank of both members and their visual similarity.

Ulm is recorded at frequency rank #23,405, classified as anoun, pronounced \ulm\. ux is at rank #28,392, tagged as atypographic variant, pronounced \wo\.

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 51797, this pair ranks #152,410 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Ulm vs ux

Shared letters: u. Private to "Ulm": lm. Private to "ux": x.

"Ulm" · 3 letters · shape VCC  ·  "ux" · 2 letters · shape VC

Frequently Asked Questions

Can "Ulm" and "ux" be used interchangeably?
No - they are not even the same part of speech. "Ulm" is a noun and "ux" a typographic variant, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Ulm" vs "ux" - which ranks higher?
"Ulm" is the more common of the two: it sits at frequency rank #23,405 in our French list, against #28,392 for "ux". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Ulm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #152,410 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Ulm" and "ux" also get mixed up with nearby pairs, the highest-scored neighbour is "Ubu vs ux". Nearby pair

Confusion rank #152,410 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list