Which to use
“aufzubauen” and “auszubauen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,911
- “aufzubauen” frequency rank
- #13,548
- “auszubauen” frequency rank
- 19459
- confusion score
Side-by-Side Comparison
| Feature | aufzubauen | auszubauen |
|---|---|---|
| Definition | erweiterter Infinitiv Aktiv des Verbs aufbauen | erweiterter Infinitiv Aktiv des Verbs ausbauen |
Where the eye mixes aufzubauen and auszubauen
Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. aufzubauen and auszubauen follow the identical consonant-vowel pattern (VVCCVCVVVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: aufzubauen vs auszubauen
A purely visual mix-up. aufzubauen ([ˈaʊ̯ft͡suˌbaʊ̯ən]) and auszubauen ([ˈaʊ̯st͡suˌbaʊ̯ən]) 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 - f in “aufzubauen” becomes s in “auszubauen”. Our composite confusion score for this pair is 19459, derived from the frequency rank of both members and their visual similarity.
aufzubauen is recorded at frequency rank #5,911, classified as averb, pronounced [ˈaʊ̯ft͡suˌbaʊ̯ən]. auszubauen is at rank #13,548, tagged as averb, pronounced [ˈaʊ̯st͡suˌbaʊ̯ən].
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 19459, this pair ranks #1,908,116 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of aufzubauen vs auszubauen
Shared letters: abenuz. Private to "aufzubauen": f. Private to "auszubauen": s.
"aufzubauen" · 10 letters · shape VVCCVCVVVC · "auszubauen" · 10 letters · shape VVCCVCVVVC
Known mistypes of this pair
- aufzubauen ← afuzubauen · auffzubauen · aufuzbauen · aufzbuauen · aufzuabuen · aufzubaeun · aufzubauenn · aufzubaune
- auszubauen ← asuzubauen · ausszubauen · ausuzbauen · auszbuauen · auszuabuen · auszubaeun · auszubauenn · auszubaune
Frequently Asked Questions
Can "aufzubauen" and "auszubauen" be used interchangeably?
Which is more common, "aufzubauen" or "auszubauen"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "aufzubauen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "auszubauen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,908,116 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "aufzubauen" and "auszubauen" also get mixed up with nearby pairs, the highest-scored neighbour is "auszubauen vs auszubeuten". 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 #1,908,116 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.