surevssuuTell them apart

Which to use

“sure” and “suu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#8,164
“sure” frequency rank
#49,960
“suu” frequency rank
58124
confusion score

Side-by-Side Comparison

Feature sure suu
Definition Féminin singulier de sur : qui a un goût acide et aigrelet. Son.

Where the eye mixes sure and suu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sure runs 4 letters (CVCV) against suu's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
sure
3 ch
suu

Why the eye confuses sure with suu

A purely visual mix-up. sure (\syʁ\) and suu (\ˈsuː\) 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 58124, 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\. suu is at rank #49,960, tagged as anadj, pronounced \ˈsuː\.

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 58124, this pair ranks #110,891 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of sure vs suu

Shared letters: su. Private to "sure": er. Private to "suu": -.

"sure" · 4 letters · shape CVCV  ·  "suu" · 3 letters · shape CVV

Known mistypes of this pair

  • sure ← srue · ssure · surre · usre

Frequently Asked Questions

Do "sure" and "suu" mean the same thing in a sentence?
No. They are said differently (\syʁ\ versus \ˈsuː\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "sure" or "suu" show up more?
"sure" is the more common of the two: it sits at frequency rank #8,164 in our French list, against #49,960 for "suu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "sure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #110,891 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sure" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "SSR vs suu". 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 #110,891 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list