surevssuyoWhat's the difference?

Quick tell: sure is a adjective, suyo is a pronoun, so they fill different roles in a sentence.

Which to use

“sure” is an adjective and “suyo” is a pronoun - they look or sound alike but fill different roles in a sentence.

#42,717
“sure” frequency rank
#2,426
“suyo” frequency rank
45143
confusion score

Side-by-Side Comparison

Feature sure suyo
Definition Seguro, convencido. Pronombre posesivo de tercera persona en género masculino y femenino y ambos números singular y plural.

Where the eye mixes sure and suyo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
sure
4 ch
suyo

Look-alike desk: sure vs suyo

These two trip readers on the page rather than in the ear: sure is /ʃʊə/ (fusión pour–poor) while suyo is [ˈsuʝo]. 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 (adjective vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 45143, 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). suyo is at rank #2,426, tagged as apron, pronounced [ˈsuʝo].

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 45143, this pair ranks #133,134 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sure vs suyo

Shared letters: su. Private to "sure": er. Private to "suyo": oy.

"sure" · 4 letters · shape CVCV  ·  "suyo" · 4 letters · shape CVVV

Known mistypes of this pair

  • suresrue · ssure · surre
  • suyossuyo · suoy · suyyo · syuo · usyo

Frequently Asked Questions

Can "sure" and "suyo" be used interchangeably?
No - they are not even the same part of speech. "sure" is an adjective and "suyo" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sure" or "suyo"?
"suyo" is the more common of the two: it sits at frequency rank #2,426 in our Spanish list, against #42,717 for "sure". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suyo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #133,134 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sure" and "suyo" 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 #133,134 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list