Which to use
“Federer” is a name and “ulla” is an unknown - they look or sound alike but fill different roles in a sentence.
- #32,030
- “Federer” frequency rank
- #24,155
- “ulla” frequency rank
- 56185
- confusion score
Side-by-Side Comparison
| Feature | Federer | ulla |
|---|---|---|
| Definition | deutschsprachiger Nachname, Familienname | Nominativ Singular Femininum des Indefinitpronomens ullus |
Letter map: Federer vs ulla
Shared letters muted; letters that set Federer and ulla apart highlighted. No shared letter run. Federer runs 7 letters (CVCVCVC) against ulla's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - Federer and ulla
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Federer is aname and ullaanunknown. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 56185, derived from the frequency rank of both members and their visual similarity.
Federer is recorded at frequency rank #32,030, classified as aname, pronounced […]. ulla is at rank #24,155, tagged as anunknown, pronounced […].
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 56185, this pair ranks #950,106 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Federer vs ulla
Shared letters: none. Private to "Federer": defr. Private to "ulla": alu.
"Federer" · 7 letters · shape CVCVCVC · "ulla" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Federer" for "ulla" ever safe?
In ordinary German text, does "Federer" or "ulla" show up more?
After this comparison
You've compared "Federer" and "ulla". Here's where to go from here.
- Full dictionary entry for "Federer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ulla" - compare definitions side by side with the headword page. Word entry
- This pair ranks #950,106 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Federer" and "ulla" also get mixed up with nearby pairs, the highest-scored neighbour is "Federer vs puzzles". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #950,106 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.