WolffvsWulffWhich spelling fits?

Which to use

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

#8,974
“Wolff” frequency rank
#20,133
“Wulff” frequency rank
29107
confusion score

Side-by-Side Comparison

Feature Wolff Wulff
Definition deutscher Familienname deutscher Nachname, Familienname

Where the eye mixes Wolff and Wulff

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
Wolff
5 ch
Wulff

Look-alike desk: Wolff vs Wulff

A purely visual mix-up. Wolff ([vɔlf]) and Wulff ([vʊlf]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - o in “Wolff” becomes u in “Wulff”. Our composite confusion score for this pair is 29107, derived from the frequency rank of both members and their visual similarity.

Wolff is recorded at frequency rank #8,974, classified as aname, pronounced [vɔlf]. Wulff is at rank #20,133, tagged as aname, pronounced [vʊlf].

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 29107, this pair ranks #1,772,907 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Wolff vs Wulff

Shared letters: flw. Private to "Wolff": o. Private to "Wulff": u.

"Wolff" · 5 letters · shape CVCCC  ·  "Wulff" · 5 letters · shape CVCCC

Known mistypes of this pair

  • Wolffowlff · wloff · woflf · wollff · wwolff
  • Wulffuwlff · wluff · wuflf · wullff · wwulff

Frequently Asked Questions

Can "Wolff" and "Wulff" be used interchangeably?
No. They are said differently ([vɔlf] versus [vʊlf]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Wolff" or "Wulff" show up more?
"Wolff" is the more common of the two: it sits at frequency rank #8,974 in our German list, against #20,133 for "Wulff". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Wolff" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Wulff" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,772,907 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Wolff" and "Wulff" also get mixed up with nearby pairs, the highest-scored neighbour is "Wolfs vs Wulff". 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 #1,772,907 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