Which to use
“vaciller” and “veiller” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,089
- “vaciller” frequency rank
- #6,908
- “veiller” frequency rank
- 53997
- confusion score
Side-by-Side Comparison
| Feature | vaciller | veiller |
|---|---|---|
| Definition | Chanceler ; trembler ; n’être pas bien ferme. | S’abstenir de dormir pendant le temps destiné au sommeil. |
Where the eye mixes vaciller and veiller
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. vaciller runs 8 letters (CVCVCCVC) against veiller's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: vaciller vs veiller
A purely visual mix-up. vaciller (\va.si.je\) and veiller (\vɛ.je\) 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 letter(s) in length. Our composite confusion score for this pair is 53997, derived from the frequency rank of both members and their visual similarity.
vaciller is recorded at frequency rank #47,089, classified as averb, pronounced \va.si.je\. veiller is at rank #6,908, tagged as averb, pronounced \vɛ.je\.
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 53997, this pair ranks #136,991 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of vaciller vs veiller
Shared letters: eilrv. Private to "vaciller": ac. Private to "veiller": -.
"vaciller" · 8 letters · shape CVCVCCVC · "veiller" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "vaciller" and "veiller" mean the same thing in a sentence?
In ordinary French text, does "vaciller" or "veiller" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "vaciller" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "veiller" - compare definitions side by side with the headword page. Word entry
- This pair ranks #136,991 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "vaciller" and "veiller" also get mixed up with nearby pairs, the highest-scored neighbour is "vaciller vs vaille". 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 #136,991 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.