Which to use
“sure” is an adjective and “sureau” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,164
- “sure” frequency rank
- #39,563
- “sureau” frequency rank
- 47727
- confusion score
Side-by-Side Comparison
| Feature | sure | sureau |
|---|---|---|
| Definition | Féminin singulier de sur : qui a un goût acide et aigrelet. | Arbuste ou herbacée de la famille des chèvrefeuilles, dont les branches sont remplies d’une moelle tendre et abondante et qui produit des fleurs blanches d’une odeur particulière et forte, auxquelles succèdent des fruits (baies) noirâtres, bleus ou rouges selon les espèces. |
Where the eye mixes sure and sureau
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sure runs 4 letters (CVCV) against sureau's 6 (CVCVVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: sure vs sureau
These two trip readers on the page rather than in the ear: sure is \syʁ\ while sureau is \sy.ʁo\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “sure” sits inside “sureau”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47727, derived from the frequency rank of both members and their visual similarity.
sure is recorded at frequency rank #8,164, classified as anadj, pronounced \syʁ\. sureau is at rank #39,563, tagged as anoun, pronounced \sy.ʁo\.
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 47727, this pair ranks #184,631 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sure vs sureau
Shared letters: ersu. Private to "sure": -. Private to "sureau": a.
"sure" · 4 letters · shape CVCV · "sureau" · 6 letters · shape CVCVVV
Known mistypes of this pair
Frequently Asked Questions
Do "sure" and "sureau" mean the same thing in a sentence?
Which is more common, "sure" or "sureau"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sure" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sureau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #184,631 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sure" and "sureau" also get mixed up with nearby pairs, the highest-scored neighbour is "spread vs sureau". 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 #184,631 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.