ASSvsASUsWhich spelling fits?

Quick tell: ASS is a abbrev, ASUs is a noun, so they fill different roles in a sentence.

Which to use

“ASS” is an abbrev and “ASUs” is a noun - they look or sound alike but fill different roles in a sentence.

#6,039
“ASS” frequency rank
#29,473
“ASUs” frequency rank
35512
confusion score

Side-by-Side Comparison

Feature ASS ASUs
Definition Acetylsalicylsäure Nominativ Plural des Substantivs ASU

Where the eye mixes ASS and ASUs

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
ASS
4 ch
ASUs

Look-alike desk: ASS vs ASUs

These two trip readers on the page rather than in the ear: ASS is [aʔɛsˈʔɛs] while ASUs is [aːzuːs]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (abbrev vs noun), which is usually the fastest check. Our composite confusion score for this pair is 35512, 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]. ASUs is at rank #29,473, tagged as anoun, pronounced [aːzuːs].

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 35512, this pair ranks #1,638,244 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ASS vs ASUs

Shared letters: as. Private to "ASS": -. Private to "ASUs": u.

"ASS" · 3 letters · shape VCC  ·  "ASUs" · 4 letters · shape VCVC

Known mistypes of this pair

  • ASUsassu · assus · asuss · saus

Frequently Asked Questions

Can "ASS" and "ASUs" be used interchangeably?
No - they are not even the same part of speech. "ASS" is an abbrev and "ASUs" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "ASS" or "ASUs" show up more?
"ASS" is the more common of the two: it sits at frequency rank #6,039 in our German list, against #29,473 for "ASUs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "ASS" and "ASUs" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ASS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ASUs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,638,244 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ASS" and "ASUs" also get mixed up with nearby pairs, the highest-scored neighbour is "ASUs 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 #1,638,244 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