Which to use
“Aufbaus” and “Ausbau” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,521
- “Aufbaus” frequency rank
- #3,170
- “Ausbau” frequency rank
- 37691
- confusion score
Side-by-Side Comparison
| Feature | Aufbaus | Ausbau |
|---|---|---|
| Definition | Genitiv Singular des Substantivs Aufbau | planmäßige Vergrößerung, Erweiterung von etwas Bestehendem |
Where the eye mixes Aufbaus and Ausbau
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Aufbaus runs 7 letters (VVCCVVC) against Ausbau's 6 (VVCCVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: Aufbaus vs Ausbau
A purely visual mix-up. Aufbaus ([ˈaʊ̯fˌbaʊ̯s]) and Ausbau ([ˈaʊ̯sˌbaʊ̯]) 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 letter(s) in length. Our composite confusion score for this pair is 37691, 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]. Ausbau is at rank #3,170, tagged as anoun, pronounced [ˈaʊ̯sˌbaʊ̯].
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 37691, this pair ranks #1,583,573 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Aufbaus vs Ausbau
Shared letters: absu. Private to "Aufbaus": f. Private to "Ausbau": -.
"Aufbaus" · 7 letters · shape VVCCVVC · "Ausbau" · 6 letters · shape VVCCVV
Known mistypes of this pair
Frequently Asked Questions
Do "Aufbaus" and "Ausbau" mean the same thing in a sentence?
Frequency check: "Aufbaus" vs "Ausbau" - which ranks higher?
After this comparison
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 "Ausbau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,583,573 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Aufbaus" and "Ausbau" 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 #1,583,573 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.