fiesvsfilsWhat's the difference?

Quick tell: fies is a adjective, fils is a noun, so they fill different roles in a sentence.

Which to use

“fies” is an adjective and “fils” is a noun - they look or sound alike but fill different roles in a sentence.

#17,292
“fies” frequency rank
#49,670
“fils” frequency rank
66962
confusion score

Side-by-Side Comparison

Feature fies fils
Definition Ekel erregend unangenehm männlicher Nachkomme: Sohn

Same sound, different letters: fies vs fils

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 3 letters. fies (CVVC) and fils (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
fies
4 ch
fils

Same sound, different spelling - fies / fils

Say them out loud and nothing separates them: fies and fils carry the same recorded pronunciation, [fiːs]. Grammar is what tells them apart: one is anadjective, the other anoun, so most sentences will only accept one of them. They differ by a single letter - e in “fies” becomes l in “fils”. Our composite confusion score for this pair is 66962, derived from the frequency rank of both members and their visual similarity.

fies is recorded at frequency rank #17,292, classified as anadj, pronounced [fiːs]. fils is at rank #49,670, tagged as anoun, pronounced [fis].

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 66962, this pair ranks #555,867 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fies vs fils

Shared letters: fis. Private to "fies": e. Private to "fils": l.

"fies" · 4 letters · shape CVVC  ·  "fils" · 4 letters · shape CVCC

Known mistypes of this pair

  • fies ← feis · ffies · fiess · fise · ifes
  • fils ← ffils · fills · filss · fisl · flis · ifls

Frequently Asked Questions

Can "fies" and "fils" be used interchangeably?
No - they are not even the same part of speech. "fies" is an adjective and "fils" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fies" vs "fils" - which ranks higher?
"fies" is the more common of the two: it sits at frequency rank #17,292 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.

What to do next

You've separated the homophone pair "fies" / "fils". Follow the links when you need the full entry or a neighbour that trips the same ear.

  • Full dictionary entry for "fies" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fils" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #555,867 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fies" and "fils" 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 #555,867 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