filonvsfilonsWhich spelling fits?

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

Which to use

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

#24,975
“filon” frequency rank
#27,812
“filons” frequency rank
52787
confusion score

Side-by-Side Comparison

Feature filon filons
Definition Gisement étendu d’une matière, de forme allongée, permettant son identification. Première personne du pluriel de l’indicatif présent du verbe filer.

Same sound, different letters: filon vs filons

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 5 letters. filon runs 5 letters (CVCVC) against filons's 6 (CVCVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
filon
6 ch
filons

Same sound, different spelling - filon / filons

Say them out loud and nothing separates them: filon and filons carry the same recorded pronunciation, \fi.lɔ̃\. Grammar is what tells them apart: one is anoun, the other averb, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “filon” sits inside “filons”. Our composite confusion score for this pair is 52787, derived from the frequency rank of both members and their visual similarity.

filon is recorded at frequency rank #24,975, classified as anoun, pronounced \fi.lɔ̃\. filons is at rank #27,812, tagged as averb, pronounced \fi.lɔ̃\.

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 52787, this pair ranks #145,301 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of filon vs filons

Shared letters: filno. Private to "filon": -. Private to "filons": s.

"filon" · 5 letters · shape CVCVC  ·  "filons" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • filonffilon · filno · filonn · fioln · flion · iflon
  • filonsffilons · fillons · filnos · filonns · filonss · filosn · fiolns · flions

Frequently Asked Questions

Do "filon" and "filons" mean the same thing in a sentence?
No - they are not even the same part of speech. "filon" is a noun and "filons" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "filon" or "filons" show up more?
"filon" is the more common of the two: it sits at frequency rank #24,975 in our French list, against #27,812 for "filons". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "filon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "filons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #145,301 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "filon" and "filons" also get mixed up with nearby pairs, the highest-scored neighbour is "filez vs filon". 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 #145,301 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list