filsvsFilzTell them apart

Which to use

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

#49,670
“fils” frequency rank
#24,717
“Filz” frequency rank
74387
confusion score

Side-by-Side Comparison

Feature fils Filz
Definition männlicher Nachkomme: Sohn wirrer Faserstoff, der aus nicht gesponnenen (Tier)haaren oder Wolle durch Zusammenpressen hergestellt wird

Where the eye mixes fils and Filz

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fils and Filz follow the identical consonant-vowel pattern (CVCC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
fils
4 ch
Filz

Why the eye confuses fils with Filz

A purely visual mix-up. fils ([fis]) and Filz ([fɪlt͡s]) 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 a single letter - s in “fils” becomes z in “Filz”. Our composite confusion score for this pair is 74387, derived from the frequency rank of both members and their visual similarity.

fils is recorded at frequency rank #49,670, classified as anoun, pronounced [fis]. Filz is at rank #24,717, tagged as anoun, pronounced [fɪlt͡s].

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 74387, this pair ranks #334,856 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of fils vs Filz

Shared letters: fil. Private to "fils": s. Private to "Filz": z.

"fils" · 4 letters · shape CVCC  ·  "Filz" · 4 letters · shape CVCC

Known mistypes of this pair

  • fils ← ffils · fills · filss · fisl · flis · ifls
  • Filz ← ffilz · fillz · filzz · fizl · fliz · iflz

Frequently Asked Questions

Is swapping "fils" for "Filz" ever safe?
No. They are said differently ([fis] versus [fɪlt͡s]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fils" vs "Filz" - which ranks higher?
"Filz" is the more common of the two: it sits at frequency rank #24,717 in our German list, against #49,670 for "fils". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "fils" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Filz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #334,856 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fils" and "Filz" also get mixed up with nearby pairs, the highest-scored neighbour is "fils vs fist". 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 #334,856 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