filonvsfoulonWhat's the difference?

Which to use

“filon” and “foulon” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,975
“filon” frequency rank
#40,772
“foulon” frequency rank
65747
confusion score

Side-by-Side Comparison

Feature filon foulon
Definition Gisement étendu d’une matière, de forme allongée, permettant son identification. Artisan qui foule, qui apprête les draps et autres étoffes de laine.

Where the eye mixes filon and foulon

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. filon runs 5 letters (CVCVC) against foulon's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
filon
6 ch
foulon

Visual trap between filon and foulon

A purely visual mix-up. filon (\fi.lɔ̃\) and foulon (\fu.lɔ̃\) 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 65747, 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\. foulon is at rank #40,772, tagged as anoun, pronounced \fu.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 65747, this pair ranks #70,958 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of filon vs foulon

Shared letters: flno. Private to "filon": i. Private to "foulon": u.

"filon" · 5 letters · shape CVCVC  ·  "foulon" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • filon ← ffilon · filno · filonn · fioln · flion · iflon
  • foulon ← ffoulon · foluon · foullon · foulno · foulonn · fouoln · fuolon · ofulon

Frequently Asked Questions

Do "filon" and "foulon" mean the same thing in a sentence?
No. They are said differently (\fi.lɔ̃\ versus \fu.lɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "filon" or "foulon"?
"filon" is the more common of the two: it sits at frequency rank #24,975 in our French list, against #40,772 for "foulon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "filon" and "foulon" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "filon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foulon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,958 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "filon" and "foulon" also get mixed up with nearby pairs, the highest-scored neighbour is "foulon vs frelon". 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 #70,958 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