Which to use
“défaillant” and “défaillante” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,327
- “défaillant” frequency rank
- #32,788
- “défaillante” frequency rank
- 62115
- confusion score
Side-by-Side Comparison
| Feature | défaillant | défaillante |
|---|---|---|
| Definition | Qui fait défaut, en parlant des forces physiques ou morales. | Féminin singulier de défaillant. |
Where the eye mixes défaillant and défaillante
Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. défaillant runs 10 letters (CVCVVCCVCC) against défaillante's 11 (CVCVVCCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses défaillant with défaillante
A purely visual mix-up. défaillant (\de.fa.jɑ̃\) and défaillante (\de.fa.jɑ̃t\) 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 extra letter(s) - “défaillant” sits inside “défaillante”. Our composite confusion score for this pair is 62115, derived from the frequency rank of both members and their visual similarity.
défaillant is recorded at frequency rank #29,327, classified as anadj, pronounced \de.fa.jɑ̃\. défaillante is at rank #32,788, tagged as anadj, pronounced \de.fa.jɑ̃t\.
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 62115, this pair ranks #88,751 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of défaillant vs défaillante
Shared letters: adfilnté. Private to "défaillant": -. Private to "défaillante": e.
"défaillant" · 10 letters · shape CVCVVCCVCC · "défaillante" · 11 letters · shape CVCVVCCVCCV
Frequently Asked Questions
Do "défaillant" and "défaillante" mean the same thing in a sentence?
Frequency check: "défaillant" vs "défaillante" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "défaillant" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "défaillante" - compare definitions side by side with the headword page. Word entry
- This pair ranks #88,751 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "défaillant" and "défaillante" also get mixed up with nearby pairs, the highest-scored neighbour is "défaillante vs détaillants". Nearby pair
Confusion rank #88,751 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.