aber vs Äther, What's the Difference?

Which to use

“aber” is a conjunction and “Äther” is a noun - they look or sound alike but fill different roles in a sentence.

#31
“aber” frequency rank: #33,933
“Äther” frequency rank: 33964
confusion score

Side-by-Side Comparison

Feature	aber	Äther
Definition	jedoch, dagegen	verschiedene organische Verbindungen mit einer Sauerstoffbrücke als funktionelle Gruppe

Where the eye mixes aber and Äther

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. aber 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

aber

5 ch

Äther

Why the eye confuses aber with Äther

These two trip readers on the page rather than in the ear: aber is [ˈaːbɐ] while Äther is [ˈɛːtɐ]. 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 (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 33964, derived from the frequency rank of both members and their visual similarity.

aber is recorded at frequency rank #31, classified as aconj, pronounced [ˈaːbɐ]. 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 33964, this pair ranks #1,674,104 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aber vs Äther

Shared letters: er. Private to "aber": ab. Private to "Äther": htä.

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

Known mistypes of this pair

aber ← abber · aberr · abre · aebr · baer

Frequently Asked Questions

Can "aber" and "Äther" be used interchangeably?

No - they are not even the same part of speech. "aber" is a conjunction and "Äther" a noun, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "aber" vs "Äther" - which ranks higher?

"aber" is the more common of the two: it sits at frequency rank #31 in our German list, against #33,933 for "Äther". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "aber" 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 #1,674,104 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"aber" 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 #1,674,104 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.