Which to use
“défaillance” and “défaillances” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,358
- “défaillance” frequency rank
- #21,293
- “défaillances” frequency rank
- 34651
- confusion score
Side-by-Side Comparison
| Feature | défaillance | défaillances |
|---|---|---|
| Definition | Perte momentanée des forces physiques accompagnée souvent d’une perte de connaissance. | Pluriel de défaillance. |
Where the spellings diverge
Shared letters are muted; the letters that actually set défaillance and défaillances apart are highlighted. They share 11 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
This is the hard kind. défaillance and défaillances are pronounced identically (\de.fa.jɑ̃s\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “défaillance” sits inside “défaillances”. Our composite confusion score for this pair is 34651, derived from the frequency rank of both members and their visual similarity.
défaillance is recorded at frequency rank #13,358, classified as anoun, pronounced \de.fa.jɑ̃s\. défaillances is at rank #21,293, tagged as anoun, pronounced \de.fa.jɑ̃s\.
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 34651, this pair ranks #282,342 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of défaillance vs défaillances
Shared letters: acdefilné. Private to "défaillance": -. Private to "défaillances": s.
"défaillance" · 11 letters · shape CVCVVCCVCCV · "défaillances" · 12 letters · shape CVCVVCCVCCVC
Frequency comparison
Frequently Asked Questions
Can "défaillance" and "défaillances" be used interchangeably?
Which is more common, "défaillance" or "défaillances"?
Remembering défaillance vs défaillances
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “défaillance” entry
- Browse more pairs most likely to be confused. Most confusable