FilternvsFlyernWhat's the difference?

Which to use

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

#17,889
“Filtern” frequency rank
#49,676
“Flyern” frequency rank
67565
confusion score

Side-by-Side Comparison

Feature Filtern Flyern
Definition Dativ Plural des Substantivs Filter Dativ Plural des Substantivs Flyer

Where the eye mixes Filtern and Flyern

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
Filtern
6 ch
Flyern

Look-alike desk: Filtern vs Flyern

A purely visual mix-up. Filtern ([ˈfɪltɐn]) and Flyern ([ˈflaɪ̯ɐn]) 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 67565, derived from the frequency rank of both members and their visual similarity.

Filtern is recorded at frequency rank #17,889, classified as anoun, pronounced [ˈfɪltɐn]. Flyern is at rank #49,676, tagged as anoun, pronounced [ˈflaɪ̯ɐn].

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 67565, this pair ranks #536,006 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Filtern vs Flyern

Shared letters: eflnr. Private to "Filtern": it. Private to "Flyern": y.

"Filtern" · 7 letters · shape CVCCVCC  ·  "Flyern" · 6 letters · shape CCVVCC

Known mistypes of this pair

  • Filternffiltern · filetrn · filltern · filtenr · filternn · filterrn · filtren · filttern
  • Flyernfflyern · fleyrn · fllyern · flyenr · flyernn · flyerrn · flyren · flyyern

Frequently Asked Questions

Is swapping "Filtern" for "Flyern" ever safe?
No. They are said differently ([ˈfɪltɐn] versus [ˈflaɪ̯ɐn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Filtern" or "Flyern"?
"Filtern" is the more common of the two: it sits at frequency rank #17,889 in our German list, against #49,676 for "Flyern". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Filtern" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Flyern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #536,006 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Filtern" and "Flyern" also get mixed up with nearby pairs, the highest-scored neighbour is "Flyern vs flyers". 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 #536,006 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