acervsÄtherWhat's the difference?

Which to use

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

#28,046
“acer” frequency rank
#33,933
“Äther” frequency rank
61979
confusion score

Side-by-Side Comparison

Feature acer Äther
Definition Stahl verschiedene organische Verbindungen mit einer Sauerstoffbrücke als funktionelle Gruppe

Letter map: acer vs Äther

Shared letters muted; letters that set acer and Äther apart highlighted. Shared run: 2. acer runs 4 letters (VCVC) against Äther's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
acer
5 ch
Äther

Pair insight - acer / Äther

acer and Äther are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 61979, derived from the frequency rank of both members and their visual similarity.

acer is recorded at frequency rank #28,046, classified as anoun, pronounced […]. Äther is at rank #33,933, tagged as anoun, pronounced [ˈɛːtɐ].

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 61979, this pair ranks #729,744 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acer vs Äther

Shared letters: er. Private to "acer": ac. Private to "Äther": htä.

"acer" · 4 letters · shape VCVC  ·  "Äther" · 5 letters · shape VCCVC

Known mistypes of this pair

  • acer ← accer · acerr · aecr

Frequently Asked Questions

Is swapping "acer" for "Äther" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary German text, does "acer" or "Äther" show up more?
"acer" is the more common of the two: it sits at frequency rank #28,046 in our German list, against #33,933 for "Äther". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "acer" and "Äther". Here's where to go from here.

  • Full dictionary entry for "acer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Äther" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #729,744 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "acer" and "Äther" also get mixed up with nearby pairs, the highest-scored neighbour is "Äther vs Atze". 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 #729,744 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