Which to use
“filer” is a verb and “filou” is a noun - they look or sound alike but fill different roles in a sentence.
- #7,321
- “filer” frequency rank
- #43,438
- “filou” frequency rank
- 50759
- confusion score
Side-by-Side Comparison
| Feature | filer | filou |
|---|---|---|
| Definition | Tordre ensemble plusieurs brins de chanvre, de lin, de soie, de laine, etc., pour qu’ils forment un fil. | (Louisiane) Voleur agissant par ruse, tricheur au jeu, personne qui abuse de la confiance. |
Where the eye mixes filer and filou
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. filer (CVCVC) and filou (CVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: filer vs filou
These two trip readers on the page rather than in the ear: filer is \fi.le\ while filou is \fi.lu\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50759, derived from the frequency rank of both members and their visual similarity.
filer is recorded at frequency rank #7,321, classified as averb, pronounced \fi.le\. filou is at rank #43,438, tagged as anoun, pronounced \fi.lu\.
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 50759, this pair ranks #160,207 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of filer vs filou
Shared letters: fil. Private to "filer": er. Private to "filou": ou.
"filer" · 5 letters · shape CVCVC · "filou" · 5 letters · shape CVCVV
Known mistypes of this pair
Frequently Asked Questions
Do "filer" and "filou" mean the same thing in a sentence?
In ordinary French text, does "filer" or "filou" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "filer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "filou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #160,207 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "filer" and "filou" also get mixed up with nearby pairs, the highest-scored neighbour is "filez vs filou". 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 #160,207 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.