Which to use
“aufbauen” is a verb and “Aufbaus” is a noun - they look or sound alike but fill different roles in a sentence.
- #4,677
- “aufbauen” frequency rank
- #34,521
- “Aufbaus” frequency rank
- 39198
- confusion score
Side-by-Side Comparison
| Feature | aufbauen | Aufbaus |
|---|---|---|
| Definition | eine bauliche Anlage errichten | Genitiv Singular des Substantivs Aufbau |
Where the eye mixes aufbauen and Aufbaus
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. aufbauen runs 8 letters (VVCCVVVC) against Aufbaus's 7 (VVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: aufbauen vs Aufbaus
These two trip readers on the page rather than in the ear: aufbauen is [ˈaʊ̯fˌbaʊ̯ən] while Aufbaus is [ˈaʊ̯fˌbaʊ̯s]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39198, derived from the frequency rank of both members and their visual similarity.
aufbauen is recorded at frequency rank #4,677, classified as averb, pronounced [ˈaʊ̯fˌbaʊ̯ən]. 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 39198, this pair ranks #1,543,337 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of aufbauen vs Aufbaus
Shared letters: abfu. Private to "aufbauen": en. Private to "Aufbaus": s.
"aufbauen" · 8 letters · shape VVCCVVVC · "Aufbaus" · 7 letters · shape VVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "aufbauen" and "Aufbaus" mean the same thing in a sentence?
Which is more common, "aufbauen" or "Aufbaus"?
After this comparison
Eye-level mix-up between "aufbauen" and "Aufbaus" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "aufbauen" 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 #1,543,337 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "aufbauen" 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 #1,543,337 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.