auftauenvsausbauenWhich spelling fits?

Which to use

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

#41,662
“auftauen” frequency rank
#9,681
“ausbauen” frequency rank
51343
confusion score

Side-by-Side Comparison

Feature auftauen ausbauen
Definition Gefrorenes vom Eis befreien, schmelzen^([2]) ein Teil aus einer Maschine, einer technischen Anlage herausnehmen

Where the eye mixes auftauen and ausbauen

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. auftauen and ausbauen follow the identical consonant-vowel pattern (VVCCVVVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
auftauen
8 ch
ausbauen

Why the eye confuses auftauen with ausbauen

A purely visual mix-up. auftauen ([ˈaʊ̯fˌtaʊ̯ən]) and ausbauen ([ˈaʊ̯sˌbaʊ̯ən]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51343, derived from the frequency rank of both members and their visual similarity.

auftauen is recorded at frequency rank #41,662, classified as averb, pronounced [ˈaʊ̯fˌtaʊ̯ən]. ausbauen is at rank #9,681, tagged as averb, pronounced [ˈaʊ̯sˌbaʊ̯ən].

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 51343, this pair ranks #1,139,108 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of auftauen vs ausbauen

Shared letters: aenu. Private to "auftauen": ft. Private to "ausbauen": bs.

"auftauen" · 8 letters · shape VVCCVVVC  ·  "ausbauen" · 8 letters · shape VVCCVVVC

Known mistypes of this pair

  • auftauen ← afutauen · aufatuen · aufftauen · auftaeun · auftauenn · auftaune · aufttauen · auftuaen
  • ausbauen ← asubauen · aubsauen · ausabuen · ausbaeun · ausbauenn · ausbaune · ausbbauen · ausbuaen

Frequently Asked Questions

Do "auftauen" and "ausbauen" mean the same thing in a sentence?
No. They are said differently ([ˈaʊ̯fˌtaʊ̯ən] versus [ˈaʊ̯sˌbaʊ̯ən]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "auftauen" vs "ausbauen" - which ranks higher?
"ausbauen" is the more common of the two: it sits at frequency rank #9,681 in our German list, against #41,662 for "auftauen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "auftauen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ausbauen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,139,108 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "auftauen" and "ausbauen" also get mixed up with nearby pairs, the highest-scored neighbour is "Aufbauten vs auftauen". 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 #1,139,108 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