filsvsfolWhich spelling fits?

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

Which to use

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

#49,670
“fils” frequency rank
#34,656
“fol” frequency rank
84326
confusion score

Side-by-Side Comparison

Feature fils fol
Definition männlicher Nachkomme: Sohn 2. Person Singular Präsens Imperativ Nichtadmirativ Aktiv des Verbs flas ‚sprechen, reden‘

Letter map: fils vs fol

Shared letters muted; letters that set fils and fol apart highlighted. Shared run: 2.

4 ch
fils
3 ch
fol

Role in the sentence - fils and fol

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fils is anoun and folaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 84326, 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]. fol is at rank #34,656, tagged as averb, pronounced […].

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 84326, this pair ranks #125,551 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of fils vs fol

Shared letters: fl. Private to "fils": is. Private to "fol": o.

"fils" · 4 letters · shape CVCC  ·  "fol" · 3 letters · shape CVC

Known mistypes of this pair

  • filsffils · fills · filss · fisl · flis · ifls

Frequently Asked Questions

Is swapping "fils" for "fol" ever safe?
No - they are not even the same part of speech. "fils" is a noun and "fol" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fils" or "fol"?
"fol" is the more common of the two: it sits at frequency rank #34,656 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

You've compared "fils" and "fol". Here's where to go from here.

  • Full dictionary entry for "fils" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fol" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #125,551 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fils" and "fol" 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 #125,551 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