Which to use
“spy” is a noun and “sur” is a preposition - they look or sound alike but fill different roles in a sentence.
- #37,565
- “spy” frequency rank
- #26
- “sur” frequency rank
- 37591
- confusion score
Side-by-Side Comparison
| Feature | spy | sur |
|---|---|---|
| Definition | Espion. | Indique une position plus élevée. |
Where the eye mixes spy and sur
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between spy and sur
These two trip readers on the page rather than in the ear: spy is \spaɪ\ while sur is \syʁ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 37591, derived from the frequency rank of both members and their visual similarity.
spy is recorded at frequency rank #37,565, classified as anoun, pronounced \spaɪ\. sur is at rank #26, tagged as aprep, pronounced \syʁ\.
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 37591, this pair ranks #261,421 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of spy vs sur
Shared letters: s. Private to "spy": py. Private to "sur": ru.
"spy" · 3 letters · shape CCV · "sur" · 3 letters · shape CVC
Frequently Asked Questions
Do "spy" and "sur" mean the same thing in a sentence?
Which is more common, "spy" or "sur"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "spy" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #261,421 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "spy" and "sur" also get mixed up with nearby pairs, the highest-scored neighbour is "spy vs suu". Nearby pair
Confusion rank #261,421 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.