AuervsAUXTell them apart

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

Which to use

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

#18,809
“Auer” frequency rank
#18,814
“AUX” frequency rank
37623
confusion score

Side-by-Side Comparison

Feature Auer AUX
Definition deutschsprachiger Nachname, Familienname Kürzel für einen zusätzlichen Eingang zur freien Verwendung (bei Geräten wie zum Beispiel Verstärkern)

Letter map: Auer vs AUX

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

4 ch
Auer
3 ch
AUX

Role in the sentence - Auer and AUX

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Auer is aname and AUXanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37623, derived from the frequency rank of both members and their visual similarity.

Auer is recorded at frequency rank #18,809, classified as aname, pronounced [ˈaʊ̯ɐ]. 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 37623, this pair ranks #1,585,308 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Auer vs AUX

Shared letters: au. Private to "Auer": er. Private to "AUX": x.

"Auer" · 4 letters · shape VVVC  ·  "AUX" · 3 letters · shape VVC

Known mistypes of this pair

  • Aueraeur · auerr · aure · uaer

Frequently Asked Questions

Can "Auer" and "AUX" be used interchangeably?
No - they are not even the same part of speech. "Auer" is a name and "AUX" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Auer" or "AUX" show up more?
"Auer" is the more common of the two: it sits at frequency rank #18,809 in our German list, against #18,814 for "AUX". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Auer" 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 #1,585,308 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Auer" and "AUX" also get mixed up with nearby pairs, the highest-scored neighbour is "AUX 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 #1,585,308 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