Which to use
“faille” and “familles” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,087
- “faille” frequency rank
- #1,289
- “familles” frequency rank
- 7376
- confusion score
Side-by-Side Comparison
| Feature | faille | familles |
|---|---|---|
| Definition | Fracture, fissure avec rejet des deux blocs situés de part et d’autre de la cassure. | Pluriel de famille. |
Where the eye mixes faille and familles
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. faille runs 6 letters (CVVCCV) against familles's 8 (CVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between faille and familles
A purely visual mix-up. faille (\faj\) and familles (\fa.mij\) 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 2 letter(s) in length. Our composite confusion score for this pair is 7376, derived from the frequency rank of both members and their visual similarity.
faille is recorded at frequency rank #6,087, classified as anoun, pronounced \faj\. familles is at rank #1,289, tagged as anoun, pronounced \fa.mij\.
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 7376, this pair ranks #423,358 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of faille vs familles
Shared letters: aefil. Private to "faille": -. Private to "familles": ms.
"faille" · 6 letters · shape CVVCCV · "familles" · 8 letters · shape CVCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "faille" and "familles" be used interchangeably?
Which is more common, "faille" or "familles"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "faille" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "familles" - compare definitions side by side with the headword page. Word entry
- This pair ranks #423,358 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "faille" and "familles" also get mixed up with nearby pairs, the highest-scored neighbour is "faille vs fill". 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 #423,358 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.