ASSvsaufsWhat's the difference?

Which to use

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

#6,039
“ASS” frequency rank
#1,005
“aufs” frequency rank
7044
confusion score

Side-by-Side Comparison

Feature ASS aufs
Definition Acetylsalicylsäure auf das

Where the eye mixes ASS and aufs

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
ASS
4 ch
aufs

Look-alike desk: ASS vs aufs

A purely visual mix-up. ASS ([aʔɛsˈʔɛs]) and aufs ([aʊ̯fs]) 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 1 letter(s) in length. Our composite confusion score for this pair is 7044, derived from the frequency rank of both members and their visual similarity.

ASS is recorded at frequency rank #6,039, classified as anabbrev, pronounced [aʔɛsˈʔɛs]. 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 7044, this pair ranks #1,989,577 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ASS vs aufs

Shared letters: as. Private to "ASS": -. Private to "aufs": fu.

"ASS" · 3 letters · shape VCC  ·  "aufs" · 4 letters · shape VVCC

Known mistypes of this pair

  • aufsafus · auffs · aufss · ausf · uafs

Frequently Asked Questions

Can "ASS" and "aufs" be used interchangeably?
No. They are said differently ([aʔɛsˈʔɛs] versus [aʊ̯fs]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "ASS" 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 #6,039 for "ASS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ASS" 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 #1,989,577 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ASS" and "aufs" also get mixed up with nearby pairs, the highest-scored neighbour is "ASS vs AUD". 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 #1,989,577 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