aufgefülltvsausgefülltTell them apart

Which to use

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

#23,020
“aufgefüllt” frequency rank
#14,010
“ausgefüllt” frequency rank
37030
confusion score

Side-by-Side Comparison

Feature aufgefüllt ausgefüllt
Definition Partizip Perfekt des Verbs auffüllen Partizip Perfekt des Verbs ausfüllen

Where the eye mixes aufgefüllt and ausgefüllt

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. aufgefüllt and ausgefüllt follow the identical consonant-vowel pattern (VVCCVCVCCC). Same shape at a glance is often the real trap, independent of shared letters.

10 ch
aufgefüllt
10 ch
ausgefüllt

Why the eye confuses aufgefüllt with ausgefüllt

A purely visual mix-up. aufgefüllt ([ˈaʊ̯fɡəˌfʏlt]) and ausgefüllt ([ˈaʊ̯sɡəˌfʏlt]) 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 - f in “aufgefüllt” becomes s in “ausgefüllt”. Our composite confusion score for this pair is 37030, derived from the frequency rank of both members and their visual similarity.

aufgefüllt is recorded at frequency rank #23,020, classified as averb, pronounced [ˈaʊ̯fɡəˌfʏlt]. ausgefüllt is at rank #14,010, tagged as averb, pronounced [ˈaʊ̯sɡəˌfʏlt].

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 37030, this pair ranks #1,600,576 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aufgefüllt vs ausgefüllt

Shared letters: aefgltuü. Private to "aufgefüllt": -. Private to "ausgefüllt": s.

"aufgefüllt" · 10 letters · shape VVCCVCVCCC  ·  "ausgefüllt" · 10 letters · shape VVCCVCVCCC

Frequently Asked Questions

Is swapping "aufgefüllt" for "ausgefüllt" ever safe?
No. They are said differently ([ˈaʊ̯fɡəˌfʏlt] versus [ˈaʊ̯sɡəˌfʏlt]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aufgefüllt" vs "ausgefüllt" - which ranks higher?
"ausgefüllt" is the more common of the two: it sits at frequency rank #14,010 in our German list, against #23,020 for "aufgefüllt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "aufgefüllt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ausgefüllt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,600,576 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "aufgefüllt" and "ausgefüllt" also get mixed up with nearby pairs, the highest-scored neighbour is "aufgefüllt vs aufgerollt". Nearby pair

Confusion rank #1,600,576 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