ASUsvsAUXWhat's the difference?

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

Which to use

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

#29,473
“ASUs” frequency rank
#18,814
“AUX” frequency rank
48287
confusion score

Side-by-Side Comparison

Feature ASUs AUX
Definition Nominativ Plural des Substantivs ASU Kürzel für einen zusätzlichen Eingang zur freien Verwendung (bei Geräten wie zum Beispiel Verstärkern)

Letter map: ASUs vs AUX

Shared letters muted; letters that set ASUs and AUX apart highlighted. Shared run: 2.

4 ch
ASUs
3 ch
AUX

Grammar separator: ASUs vs AUX

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ASUs is anoun and AUXanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48287, derived from the frequency rank of both members and their visual similarity.

ASUs is recorded at frequency rank #29,473, classified as anoun, pronounced [aːzuːs]. AUX is at rank #18,814, tagged as anabbrev, pronounced […].

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 48287, this pair ranks #1,254,097 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ASUs vs AUX

Shared letters: au. Private to "ASUs": s. Private to "AUX": x.

"ASUs" · 4 letters · shape VCVC  ·  "AUX" · 3 letters · shape VVC

Known mistypes of this pair

  • ASUsassu · assus · asuss · saus

Frequently Asked Questions

Is swapping "ASUs" for "AUX" ever safe?
No - they are not even the same part of speech. "ASUs" is a noun and "AUX" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ASUs" or "AUX"?
"AUX" is the more common of the two: it sits at frequency rank #18,814 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.

Useful next steps

Pair "ASUs" vs "AUX" is on the table, pick a follow-up below.

  • Full dictionary entry for "ASUs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "AUX" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,254,097 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ASUs" and "AUX" 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 #1,254,097 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