ausbauenvsauslaufenWhich spelling fits?

Which to use

“ausbauen” and “auslaufen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,681
“ausbauen” frequency rank
#17,226
“auslaufen” frequency rank
26907
confusion score

Side-by-Side Comparison

Feature ausbauen auslaufen
Definition ein Teil aus einer Maschine, einer technischen Anlage herausnehmen als Flüssigkeit aus einer Öffnung austreten

Where the eye mixes ausbauen and auslaufen

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
ausbauen
9 ch
auslaufen

Visual trap between ausbauen and auslaufen

A purely visual mix-up. ausbauen ([ˈaʊ̯sˌbaʊ̯ən]) and auslaufen ([ˈaʊ̯sˌlaʊ̯fn̩]) 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 26907, derived from the frequency rank of both members and their visual similarity.

ausbauen is recorded at frequency rank #9,681, classified as averb, pronounced [ˈaʊ̯sˌbaʊ̯ən]. auslaufen is at rank #17,226, tagged as averb, pronounced [ˈaʊ̯sˌlaʊ̯fn̩].

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 26907, this pair ranks #1,810,427 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ausbauen vs auslaufen

Shared letters: aensu. Private to "ausbauen": b. Private to "auslaufen": fl.

"ausbauen" · 8 letters · shape VVCCVVVC  ·  "auslaufen" · 9 letters · shape VVCCVVCVC

Known mistypes of this pair

  • ausbauenasubauen · aubsauen · ausabuen · ausbaeun · ausbauenn · ausbaune · ausbbauen · ausbuaen
  • auslaufenasulaufen · aulsaufen · ausalufen · auslafuen · auslauefn · auslaufenn · auslauffen · auslaufne

Frequently Asked Questions

Can "ausbauen" and "auslaufen" be used interchangeably?
No. They are said differently ([ˈaʊ̯sˌbaʊ̯ən] versus [ˈaʊ̯sˌlaʊ̯fn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ausbauen" or "auslaufen"?
"ausbauen" is the more common of the two: it sits at frequency rank #9,681 in our German list, against #17,226 for "auslaufen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "ausbauen" and "auslaufen" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ausbauen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "auslaufen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,810,427 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ausbauen" and "auslaufen" also get mixed up with nearby pairs, the highest-scored neighbour is "Auslagen vs auslaufen". 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 #1,810,427 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list