erweiternvserwidernWhich spelling fits?

Which to use

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

#6,294
“erweitern” frequency rank
#31,032
“erwidern” frequency rank
37326
confusion score

Side-by-Side Comparison

Feature erweitern erwidern
Definition vergrößern, weiten auf etwas antworten

Where the eye mixes erweitern and erwidern

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. erweitern runs 9 letters (VCCVVCVCC) against erwidern's 8 (VCCVCVCC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
erweitern
8 ch
erwidern

Why the eye confuses erweitern with erwidern

A purely visual mix-up. erweitern ([ɛɐ̯ˈvaɪ̯tɐn]) and erwidern ([ɛɐ̯ˈviːdɐn]) 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 37326, derived from the frequency rank of both members and their visual similarity.

erweitern is recorded at frequency rank #6,294, classified as averb, pronounced [ɛɐ̯ˈvaɪ̯tɐn]. erwidern is at rank #31,032, tagged as averb, pronounced [ɛɐ̯ˈviːdɐn].

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 37326, this pair ranks #1,593,110 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erweitern vs erwidern

Shared letters: einrw. Private to "erweitern": t. Private to "erwidern": d.

"erweitern" · 9 letters · shape VCCVVCVCC  ·  "erwidern" · 8 letters · shape VCCVCVCC

Known mistypes of this pair

  • erweitern ← erewitern · errweitern · erweietrn · erweitenr · erweiternn · erweiterrn · erweitren · erweittern
  • erwidern ← eriwdern · errwidern · erwdiern · erwiddern · erwidenr · erwidernn · erwiderrn · erwidren

Frequently Asked Questions

Is swapping "erweitern" for "erwidern" ever safe?
No. They are said differently ([ɛɐ̯ˈvaɪ̯tɐn] versus [ɛɐ̯ˈviːdɐn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "erweitern" or "erwidern"?
"erweitern" is the more common of the two: it sits at frequency rank #6,294 in our German list, against #31,032 for "erwidern". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "erweitern" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erwidern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,593,110 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erweitern" and "erwidern" also get mixed up with nearby pairs, the highest-scored neighbour is "erwidern vs erwidert". 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 #1,593,110 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