Which to use
“sure” is an adjective and “surgen” is a verb - they look or sound alike but fill different roles in a sentence.
- #42,717
- “sure” frequency rank
- #7,494
- “surgen” frequency rank
- 50211
- confusion score
Side-by-Side Comparison
| Feature | sure | surgen |
|---|---|---|
| Definition | Seguro, convencido. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de surgir. |
Where the eye mixes sure and surgen
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sure runs 4 letters (CVCV) against surgen's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: sure vs surgen
These two trip readers on the page rather than in the ear: sure is /ʃʊə/ (fusión pour–poor) while surgen is [ˈsuɾxẽn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 50211, derived from the frequency rank of both members and their visual similarity.
sure is recorded at frequency rank #42,717, classified as anadj, pronounced /ʃʊə/ (fusión pour–poor). surgen is at rank #7,494, tagged as averb, pronounced [ˈsuɾxẽn].
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 50211, this pair ranks #104,477 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sure vs surgen
Shared letters: ersu. Private to "sure": -. Private to "surgen": gn.
"sure" · 4 letters · shape CVCV · "surgen" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "sure" for "surgen" ever safe?
Which is more common, "sure" or "surgen"?
Useful next steps
Eye-level mix-up between "sure" and "surgen" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sure" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "surgen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #104,477 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sure" and "surgen" 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 #104,477 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.