AltervsAusterConfusable pair

Which to use

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

#455
“Alter” frequency rank
#49,499
“Auster” frequency rank
49954
confusion score

Side-by-Side Comparison

Feature Alter Auster
Definition alter Mann Muschel, deren Inneres zum Verzehr geeignet ist und als Delikatesse gilt

Where the eye mixes Alter and Auster

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
Alter
6 ch
Auster

Look-alike desk: Alter vs Auster

A purely visual mix-up. Alter ([ˈaltɐ]) and Auster ([ˈaʊ̯stɐ]) 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 49954, derived from the frequency rank of both members and their visual similarity.

Alter is recorded at frequency rank #455, classified as anoun, pronounced [ˈaltɐ]. Auster is at rank #49,499, tagged as anoun, pronounced [ˈaʊ̯stɐ].

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 49954, this pair ranks #1,192,160 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Alter vs Auster

Shared letters: aert. Private to "Alter": l. Private to "Auster": su.

"Alter" · 5 letters · shape VCCVC  ·  "Auster" · 6 letters · shape VVCCVC

Known mistypes of this pair

  • Alteraletr · allter · alterr · altre · altter · atler
  • Austerausetr · ausster · austerr · austre · austter · autser · uaster

Frequently Asked Questions

Can "Alter" and "Auster" be used interchangeably?
No. They are said differently ([ˈaltɐ] versus [ˈaʊ̯stɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Alter" or "Auster" show up more?
"Alter" is the more common of the two: it sits at frequency rank #455 in our German list, against #49,499 for "Auster". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "Alter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Auster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,192,160 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Alter" and "Auster" also get mixed up with nearby pairs, the highest-scored neighbour is "answer vs Auster". 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 #1,192,160 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