Which to use
“sí” is an adverb and “sus” is an intj - they look or sound alike but fill different roles in a sentence.
- #146
- “sí” frequency rank
- #32
- “sus” frequency rank
- 178
- confusion score
Side-by-Side Comparison
| Feature | sí | sus |
|---|---|---|
| Definition | Palabra usada para expresar afirmación. | Se emplea para avivar, infundir ánimo e incitar a la acción rápida y con vigor. |
Where the eye mixes sí and sus
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: sí vs sus
These two trip readers on the page rather than in the ear: sí is [ˈsi] while sus is [sus]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs intj), which is usually the fastest check. Our composite confusion score for this pair is 178, derived from the frequency rank of both members and their visual similarity.
sí is recorded at frequency rank #146, classified as anadv, pronounced [ˈsi]. sus is at rank #32, tagged as anintj, pronounced [sus].
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 178, this pair ranks #323,700 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sí vs sus
Shared letters: s. Private to "sí": í. Private to "sus": u.
"sí" · 2 letters · shape CV · "sus" · 3 letters · shape CVC
Frequently Asked Questions
Can "sí" and "sus" be used interchangeably?
Which is more common, "sí" or "sus"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sí" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #323,700 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sí" and "sus" also get mixed up with nearby pairs, the highest-scored neighbour is "subís vs sus". Nearby pair
Confusion rank #323,700 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.