aFvsaufsTell them apart

Which to use

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

#13,997
“aF” frequency rank
#1,005
“aufs” frequency rank
15002
confusion score

Side-by-Side Comparison

Feature aF aufs
Definition Abkürzung für alte Fassung auf das

Letter map: aF vs aufs

Shared letters muted; letters that set aF and aufs apart highlighted. Shared run: 2.

2 ch
aF
4 ch
aufs

Pair insight - aF / aufs

aF and aufs are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 15002, derived from the frequency rank of both members and their visual similarity.

aF is recorded at frequency rank #13,997, classified as anabbrev, pronounced […]. aufs is at rank #1,005, tagged as anabbrev, pronounced [aʊ̯fs].

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 15002, this pair ranks #1,947,158 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aF vs aufs

Shared letters: af. Private to "aF": -. Private to "aufs": su.

"aF" · 2 letters · shape VC  ·  "aufs" · 4 letters · shape VVCC

Known mistypes of this pair

  • aufsafus · auffs · aufss · ausf · uafs

Frequently Asked Questions

Do "aF" and "aufs" mean the same thing in a sentence?
No. They differ by 2 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary German text, does "aF" or "aufs" show up more?
"aufs" is the more common of the two: it sits at frequency rank #1,005 in our German list, against #13,997 for "aF". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "aF" and "aufs".

  • Full dictionary entry for "aF" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aufs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,947,158 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "aF" and "aufs" also get mixed up with nearby pairs, the highest-scored neighbour is "aF vs puzzles". 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 #1,947,158 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