Which to use
“sur” is a noun and “sure” is an adjective - they look or sound alike but fill different roles in a sentence.
- #517
- “sur” frequency rank
- #42,717
- “sure” frequency rank
- 43234
- confusion score
Side-by-Side Comparison
| Feature | sur | sure |
|---|---|---|
| Definition | Punto cardinal del horizonte, exactamente donde se encuentra el Sol a mediodía (en el hemisferio norte), marcado a 180° con respecto al Norte en una brújula. Convencionalmente se ubica en la parte inferior de los mapas,. | Seguro, convencido. |
Where the eye mixes sur and sure
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between sur and sure
These two trip readers on the page rather than in the ear: sur is [ˈsuɾ] while sure is /ʃʊə/ (fusión pour–poor). Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “sur” sits inside “sure”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 43234, derived from the frequency rank of both members and their visual similarity.
sur is recorded at frequency rank #517, classified as anoun, pronounced [ˈsuɾ]. sure is at rank #42,717, tagged as anadj, pronounced /ʃʊə/ (fusión pour–poor).
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 43234, this pair ranks #143,803 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sur vs sure
Shared letters: rsu. Private to "sur": -. Private to "sure": e.
"sur" · 3 letters · shape CVC · "sure" · 4 letters · shape CVCV
Known mistypes of this pair
- sure ← srue · ssure · surre
Frequently Asked Questions
Can "sur" and "sure" be used interchangeably?
Frequency check: "sur" vs "sure" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sure" - compare definitions side by side with the headword page. Word entry
- This pair ranks #143,803 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sur" and "sure" also get mixed up with nearby pairs, the highest-scored neighbour is "sari vs sure". 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 #143,803 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.