Which to use
“vapeur” is a noun and “Vasseur” is a name - they look or sound alike but fill different roles in a sentence.
- #4,722
- “vapeur” frequency rank
- #30,854
- “Vasseur” frequency rank
- 35576
- confusion score
Side-by-Side Comparison
| Feature | vapeur | Vasseur |
|---|---|---|
| Definition | Exhalaison gazeuse résultant de la transformation partielle ou totale d’une substance ordinairement liquide ou solide en gaz. | Nom de famille. |
Where the eye mixes vapeur and Vasseur
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. vapeur runs 6 letters (CVCVVC) against Vasseur's 7 (CVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses vapeur with Vasseur
These two trip readers on the page rather than in the ear: vapeur is \va.pœʁ\ while Vasseur is \va.sœʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 35576, derived from the frequency rank of both members and their visual similarity.
vapeur is recorded at frequency rank #4,722, classified as anoun, pronounced \va.pœʁ\. Vasseur is at rank #30,854, tagged as aname, pronounced \va.sœʁ\.
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 35576, this pair ranks #275,725 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of vapeur vs Vasseur
Shared letters: aeruv. Private to "vapeur": p. Private to "Vasseur": s.
"vapeur" · 6 letters · shape CVCVVC · "Vasseur" · 7 letters · shape CVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Can "vapeur" and "Vasseur" be used interchangeably?
Frequency check: "vapeur" vs "Vasseur" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "vapeur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Vasseur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #275,725 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "vapeur" and "Vasseur" also get mixed up with nearby pairs, the highest-scored neighbour is "Vasseur vs visser". 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 #275,725 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.