Which to use
“vai” is a conjunction and “vains” is an adjective - they look or sound alike but fill different roles in a sentence.
- #45,367
- “vai” frequency rank
- #33,932
- “vains” frequency rank
- 79299
- confusion score
Side-by-Side Comparison
| Feature | vai | vains |
|---|---|---|
| Definition | Ou, ou bien. | Masculin pluriel de l’adjectif vain. |
Where the eye mixes vai and vains
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. vai runs 3 letters (CVV) against vains's 5 (CVVCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between vai and vains
These two trip readers on the page rather than in the ear: vai is \ʋɑi̯\ while vains is \vɛ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “vai” sits inside “vains”, and the parts of speech differ too (conjunction vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 79299, derived from the frequency rank of both members and their visual similarity.
vai is recorded at frequency rank #45,367, classified as aconj, pronounced \ʋɑi̯\. vains is at rank #33,932, tagged as anadj, pronounced \vɛ̃\.
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 79299, this pair ranks #23,636 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of vai vs vains
Shared letters: aiv. Private to "vai": -. Private to "vains": ns.
"vai" · 3 letters · shape CVV · "vains" · 5 letters · shape CVVCC
Known mistypes of this pair
- vains ← avins · vainns · vainss · vaisn · vanis · vians · vvains
Frequently Asked Questions
Is swapping "vai" for "vains" ever safe?
Frequency check: "vai" vs "vains" - which ranks higher?
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 "vai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "vains" - compare definitions side by side with the headword page. Word entry
- This pair ranks #23,636 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "vai" and "vains" also get mixed up with nearby pairs, the highest-scored neighbour is "vai 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 #23,636 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.