Which to use
“auffüllen” and “ausfallen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,306
- “auffüllen” frequency rank
- #7,011
- “ausfallen” frequency rank
- 33317
- confusion score
Side-by-Side Comparison
| Feature | auffüllen | ausfallen |
|---|---|---|
| Definition | ein (leeres) Behältnis (erneut) mit einer bestimmten Substanz voll machen | nicht mehr zur Verfügung stehen |
Where the eye mixes auffüllen and ausfallen
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. auffüllen and ausfallen follow the identical consonant-vowel pattern (VVCCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between auffüllen and ausfallen
A purely visual mix-up. auffüllen ([ˈaʊ̯fˌfʏlən]) and ausfallen ([ˈaʊ̯sˌfalən]) 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 33317, derived from the frequency rank of both members and their visual similarity.
auffüllen is recorded at frequency rank #26,306, classified as averb, pronounced [ˈaʊ̯fˌfʏlən]. ausfallen is at rank #7,011, tagged as averb, pronounced [ˈaʊ̯sˌfalən].
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 33317, this pair ranks #1,688,582 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of auffüllen vs ausfallen
Shared letters: aeflnu. Private to "auffüllen": ü. Private to "ausfallen": s.
"auffüllen" · 9 letters · shape VVCCVCCVC · "ausfallen" · 9 letters · shape VVCCVCCVC
Known mistypes of this pair
- ausfallen ← asufallen · aufsallen · ausafllen · ausfaleln · ausfalen · ausfallenn · ausfallne · ausffallen
Frequently Asked Questions
Do "auffüllen" and "ausfallen" mean the same thing in a sentence?
In ordinary German text, does "auffüllen" or "ausfallen" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "auffüllen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ausfallen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,688,582 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "auffüllen" and "ausfallen" also get mixed up with nearby pairs, the highest-scored neighbour is "ausfallen 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 #1,688,582 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.