Which to use
“fillon” is a noun and “filons” is a verb - they look or sound alike but fill different roles in a sentence.
- #3,004
- “fillon” frequency rank
- #27,812
- “filons” frequency rank
- 30816
- confusion score
Side-by-Side Comparison
| Feature | fillon | filons |
|---|---|---|
| Definition | Petit coquillage comestible, appartenant au genre telline. | Première personne du pluriel de l’indicatif présent du verbe filer. |
Where the eye mixes fillon and filons
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: fillon vs filons
These two trip readers on the page rather than in the ear: fillon is \fi.jɔ̃\ while filons is \fi.lɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 30816, derived from the frequency rank of both members and their visual similarity.
fillon is recorded at frequency rank #3,004, classified as anoun, pronounced \fi.jɔ̃\. 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 30816, this pair ranks #307,794 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fillon vs filons
Shared letters: filno. Private to "fillon": -. Private to "filons": s.
"fillon" · 6 letters · shape CVCCVC · "filons" · 6 letters · shape CVCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "fillon" for "filons" ever safe?
Which is more common, "fillon" or "filons"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "fillon" 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 #307,794 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fillon" and "filons" also get mixed up with nearby pairs, the highest-scored neighbour is "filons vs frelons". 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 #307,794 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.