Which to use
“vain” and “vaincu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,447
- “vain” frequency rank
- #7,768
- “vaincu” frequency rank
- 14215
- confusion score
Side-by-Side Comparison
| Feature | vain | vaincu |
|---|---|---|
| Definition | Qui est inutile, qui ne produit rien. | Qui a été vaincu. |
Where the eye mixes vain and vaincu
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. vain runs 4 letters (CVVC) against vaincu's 6 (CVVCCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: vain vs vaincu
A purely visual mix-up. vain (\vɛ̃\) and vaincu (\vɛ̃.ky\) 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 extra letter(s) - “vain” sits inside “vaincu”. Our composite confusion score for this pair is 14215, derived from the frequency rank of both members and their visual similarity.
vain is recorded at frequency rank #6,447, classified as anadj, pronounced \vɛ̃\. vaincu is at rank #7,768, tagged as anadj, pronounced \vɛ̃.ky\.
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 14215, this pair ranks #397,660 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of vain vs vaincu
Shared letters: ainv. Private to "vain": -. Private to "vaincu": cu.
"vain" · 4 letters · shape CVVC · "vaincu" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "vain" and "vaincu" be used interchangeably?
Which is more common, "vain" or "vaincu"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "vain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "vaincu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #397,660 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "vain" and "vaincu" also get mixed up with nearby pairs, the highest-scored neighbour is "vain vs vlan". 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 #397,660 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.