Which to use
“Aufbau” and “Aufbaus” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,189
- “Aufbau” frequency rank
- #34,521
- “Aufbaus” frequency rank
- 36710
- confusion score
Side-by-Side Comparison
| Feature | Aufbau | Aufbaus |
|---|---|---|
| Definition | der Vorgang des Aufbauens eines Gebäudes, eines Systems oder einer sonstwie gearteten Struktur | Genitiv Singular des Substantivs Aufbau |
Where the eye mixes Aufbau and Aufbaus
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. Aufbau runs 6 letters (VVCCVV) against Aufbaus's 7 (VVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between Aufbau and Aufbaus
A purely visual mix-up. Aufbau ([ˈaʊ̯fˌbaʊ̯]) and Aufbaus ([ˈaʊ̯fˌbaʊ̯s]) 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 1 extra letter(s) - “Aufbau” sits inside “Aufbaus”. Our composite confusion score for this pair is 36710, derived from the frequency rank of both members and their visual similarity.
Aufbau is recorded at frequency rank #2,189, classified as anoun, pronounced [ˈaʊ̯fˌbaʊ̯]. Aufbaus is at rank #34,521, tagged as anoun, pronounced [ˈaʊ̯fˌbaʊ̯s].
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 36710, this pair ranks #1,608,662 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Aufbau vs Aufbaus
Shared letters: abfu. Private to "Aufbau": -. Private to "Aufbaus": s.
"Aufbau" · 6 letters · shape VVCCVV · "Aufbaus" · 7 letters · shape VVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "Aufbau" and "Aufbaus" mean the same thing in a sentence?
In ordinary German text, does "Aufbau" or "Aufbaus" show up more?
What to do next
Eye-level mix-up between "Aufbau" and "Aufbaus" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Aufbau" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Aufbaus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,608,662 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Aufbau" and "Aufbaus" 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 #1,608,662 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.