AlstervsÄstenTell them apart

Quick tell: Alster is a name, Ästen is a noun, so they fill different roles in a sentence.

Which to use

“Alster” is a name and “Ästen” is a noun - they look or sound alike but fill different roles in a sentence.

#32,403
“Alster” frequency rank
#28,964
“Ästen” frequency rank
61367
confusion score

Side-by-Side Comparison

Feature Alster Ästen
Definition rechter Nebenfluss der Unterelbe Dativ Plural des Substantivs Ast

Where the eye mixes Alster and Ästen

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Alster runs 6 letters (VCCCVC) against Ästen's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Alster
5 ch
Ästen

Visual trap between Alster and Ästen

These two trip readers on the page rather than in the ear: Alster is [ˈalstɐ] while Ästen is [ˈɛstn̩]. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 61367, derived from the frequency rank of both members and their visual similarity.

Alster is recorded at frequency rank #32,403, classified as aname, pronounced [ˈalstɐ]. Ästen is at rank #28,964, tagged as anoun, pronounced [ˈɛstn̩].

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 61367, this pair ranks #752,519 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Alster vs Ästen

Shared letters: est. Private to "Alster": alr. Private to "Ästen": nä.

"Alster" · 6 letters · shape VCCCVC  ·  "Ästen" · 5 letters · shape VCCVC

Known mistypes of this pair

  • Alster ← allster · alsetr · alsster · alsterr · alstre · alstter · altser · aslter

Frequently Asked Questions

Can "Alster" and "Ästen" be used interchangeably?
No - they are not even the same part of speech. "Alster" is a name and "Ästen" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Alster" or "Ästen"?
"Ästen" is the more common of the two: it sits at frequency rank #28,964 in our German list, against #32,403 for "Alster". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Alster" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ästen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #752,519 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Alster" and "Ästen" also get mixed up with nearby pairs, the highest-scored neighbour is "Alster 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 #752,519 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