Which to use
“Aufbaus” and “Auflauf” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,521
- “Aufbaus” frequency rank
- #35,634
- “Auflauf” frequency rank
- 70155
- confusion score
Side-by-Side Comparison
| Feature | Aufbaus | Auflauf |
|---|---|---|
| Definition | Genitiv Singular des Substantivs Aufbau | spontane Ansammlung von Menschen |
Where the eye mixes Aufbaus and Auflauf
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Aufbaus and Auflauf follow the identical consonant-vowel pattern (VVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses Aufbaus with Auflauf
A purely visual mix-up. Aufbaus ([ˈaʊ̯fˌbaʊ̯s]) and Auflauf ([ˈaʊ̯fˌlaʊ̯f]) 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 70155, derived from the frequency rank of both members and their visual similarity.
Aufbaus is recorded at frequency rank #34,521, classified as anoun, pronounced [ˈaʊ̯fˌbaʊ̯s]. Auflauf is at rank #35,634, tagged as anoun, pronounced [ˈaʊ̯fˌlaʊ̯f].
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 70155, this pair ranks #454,846 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of Aufbaus vs Auflauf
Shared letters: afu. Private to "Aufbaus": bs. Private to "Auflauf": l.
"Aufbaus" · 7 letters · shape VVCCVVC · "Auflauf" · 7 letters · shape VVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Aufbaus" for "Auflauf" ever safe?
In ordinary German text, does "Aufbaus" or "Auflauf" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Aufbaus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Auflauf" - compare definitions side by side with the headword page. Word entry
- This pair ranks #454,846 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Aufbaus" and "Auflauf" also get mixed up with nearby pairs, the highest-scored neighbour is "Aufbaus vs Ausbaus". 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 #454,846 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.