ullavsunaTell them apart

Quick tell: ulla is a unknown, una is a noun, so they fill different roles in a sentence.

Which to use

“ulla” is an unknown and “una” is a noun - they look or sound alike but fill different roles in a sentence.

#24,155
“ulla” frequency rank
#18,411
“una” frequency rank
42566
confusion score

Side-by-Side Comparison

Feature ulla una
Definition Nominativ Singular Femininum des Indefinitpronomens ullus Dativ Singular des Substantivs un

Letter map: ulla vs una

Shared letters muted; letters that set ulla and una apart highlighted. Shared run: 2.

4 ch
ulla
3 ch
una

Role in the sentence - ulla and una

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ulla is anunknown and unaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42566, derived from the frequency rank of both members and their visual similarity.

ulla is recorded at frequency rank #24,155, classified as anunknown, pronounced […]. una is at rank #18,411, tagged as anoun, pronounced [uˈnɑ].

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 42566, this pair ranks #1,445,390 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ulla vs una

Shared letters: au. Private to "ulla": l. Private to "una": n.

"ulla" · 4 letters · shape VCCV  ·  "una" · 3 letters · shape VCV

Known mistypes of this pair

  • ullalula · ula · ulal

Frequently Asked Questions

Is swapping "ulla" for "una" ever safe?
No - they are not even the same part of speech. "ulla" is an unknown and "una" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "ulla" or "una" show up more?
"una" is the more common of the two: it sits at frequency rank #18,411 in our German list, against #24,155 for "ulla". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "ulla" vs "una" is on the table, pick a follow-up below.

  • Full dictionary entry for "ulla" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "una" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,445,390 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ulla" and "una" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs ulla". 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 #1,445,390 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