aufbauenvsauftauenTell them apart

Which to use

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

#4,677
“aufbauen” frequency rank
#41,662
“auftauen” frequency rank
46339
confusion score

Side-by-Side Comparison

Feature aufbauen auftauen
Definition eine bauliche Anlage errichten Gefrorenes vom Eis befreien, schmelzen^([2])

Where the eye mixes aufbauen and auftauen

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. aufbauen and auftauen follow the identical consonant-vowel pattern (VVCCVVVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
aufbauen
8 ch
auftauen

Visual trap between aufbauen and auftauen

A purely visual mix-up. aufbauen ([ˈaʊ̯fˌbaʊ̯ən]) and auftauen ([ˈaʊ̯fˌtaʊ̯ən]) 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 - b in “aufbauen” becomes t in “auftauen”. Our composite confusion score for this pair is 46339, 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]. auftauen is at rank #41,662, tagged as averb, pronounced [ˈaʊ̯fˌtaʊ̯ən].

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 46339, this pair ranks #1,322,450 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aufbauen vs auftauen

Shared letters: aefnu. Private to "aufbauen": b. Private to "auftauen": t.

"aufbauen" · 8 letters · shape VVCCVVVC  ·  "auftauen" · 8 letters · shape VVCCVVVC

Known mistypes of this pair

  • aufbauen ← afubauen · aubfauen · aufabuen · aufbaeun · aufbauenn · aufbaune · aufbbauen · aufbuaen
  • auftauen ← afutauen · aufatuen · aufftauen · auftaeun · auftauenn · auftaune · aufttauen · auftuaen

Frequently Asked Questions

Is swapping "aufbauen" for "auftauen" ever safe?
No. They are said differently ([ˈaʊ̯fˌbaʊ̯ən] versus [ˈaʊ̯fˌtaʊ̯ən]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aufbauen" vs "auftauen" - which ranks higher?
"aufbauen" is the more common of the two: it sits at frequency rank #4,677 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.

Useful next steps

Eye-level mix-up between "aufbauen" and "auftauen" 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 "auftauen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,322,450 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "aufbauen" and "auftauen" 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 #1,322,450 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