Which to use
“ausfallen” and “ausfüllen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,011
- “ausfallen” frequency rank
- #10,810
- “ausfüllen” frequency rank
- 17821
- confusion score
Side-by-Side Comparison
| Feature | ausfallen | ausfüllen |
|---|---|---|
| Definition | nicht mehr zur Verfügung stehen | ein Formular ergänzen |
Where the eye mixes ausfallen and ausfüllen
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. ausfallen and ausfüllen follow the identical consonant-vowel pattern (VVCCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: ausfallen vs ausfüllen
A purely visual mix-up. ausfallen ([ˈaʊ̯sˌfalən]) and ausfüllen ([ˈaʊ̯sˌfʏlən]) 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 - a in “ausfallen” becomes ü in “ausfüllen”. Our composite confusion score for this pair is 17821, derived from the frequency rank of both members and their visual similarity.
ausfallen is recorded at frequency rank #7,011, classified as averb, pronounced [ˈaʊ̯sˌfalən]. ausfüllen is at rank #10,810, tagged as averb, pronounced [ˈaʊ̯sˌfʏlən].
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 17821, this pair ranks #1,923,948 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ausfallen vs ausfüllen
Shared letters: aeflnsu. Private to "ausfallen": -. Private to "ausfüllen": ü.
"ausfallen" · 9 letters · shape VVCCVCCVC · "ausfüllen" · 9 letters · shape VVCCVCCVC
Known mistypes of this pair
- ausfallen ← asufallen · aufsallen · ausafllen · ausfaleln · ausfalen · ausfallenn · ausfallne · ausffallen
Frequently Asked Questions
Can "ausfallen" and "ausfüllen" be used interchangeably?
In ordinary German text, does "ausfallen" or "ausfüllen" show up more?
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 "ausfallen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ausfüllen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,923,948 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "ausfallen" and "ausfüllen" also get mixed up with nearby pairs, the highest-scored neighbour is "ausfüllen vs ausrollen". 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 #1,923,948 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.