Which to use
“faible” is an adjective and “fail” is a verb - they look or sound alike but fill different roles in a sentence.
- #1,028
- “faible” frequency rank
- #24,588
- “fail” frequency rank
- 25616
- confusion score
Side-by-Side Comparison
| Feature | faible | fail |
|---|---|---|
| Definition | Qui est débile, qui manque de force, de vigueur. | Échouer. |
Where the eye mixes faible and fail
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between faible and fail
These two trip readers on the page rather than in the ear: faible is \fɛbl\ while fail is \feɪl\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 25616, derived from the frequency rank of both members and their visual similarity.
faible is recorded at frequency rank #1,028, classified as anadj, pronounced \fɛbl\. fail is at rank #24,588, tagged as averb, pronounced \feɪl\.
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 25616, this pair ranks #339,829 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of faible vs fail
Shared letters: afil. Private to "faible": be. Private to "fail": -.
"faible" · 6 letters · shape CVVCCV · "fail" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "faible" and "fail" be used interchangeably?
Which is more common, "faible" or "fail"?
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 "faible" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fail" - compare definitions side by side with the headword page. Word entry
- This pair ranks #339,829 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "faible" and "fail" also get mixed up with nearby pairs, the highest-scored neighbour is "fail vs FIV". 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 #339,829 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.