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 spellings diverge
Shared letters are muted; the letters that actually set sure and sureau apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
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
Frequency comparison
Frequently Asked Questions
Can "sure" and "sureau" be used interchangeably?
Which is more common, "sure" or "sureau"?
Remembering sure vs sureau
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “sure”; for a noun, it's “sureau”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sure” entry
- Browse more pairs most likely to be confused. Most confusable