Which to use
“saiu” is a verb and “su” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,035
- “saiu” frequency rank
- #6,713
- “su” frequency rank
- 7748
- confusion score
Side-by-Side Comparison
| Feature | saiu | su |
|---|---|---|
| Definition | Terceira pessoa do singular do pretérito perfeito do indicativo do verbo sair. | dele |
Letter map: saiu vs su
Shared letters muted; letters that set saiu and su apart highlighted. Shared run: 2. saiu runs 4 letters (CVVV) against su's 2 (CV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - saiu and su
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: saiu is averb and suanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 7748, derived from the frequency rank of both members and their visual similarity.
saiu is recorded at frequency rank #1,035, classified as averb. su is at rank #6,713, tagged as anadj.
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 7748, this pair ranks #66,304 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of saiu vs su
Shared letters: su. Private to "saiu": ai. Private to "su": -.
"saiu" · 4 letters · shape CVVV · "su" · 2 letters · shape CV
Known mistypes of this pair
- saiu ← asiu · saui · siau · ssaiu
Frequently Asked Questions
Is swapping "saiu" for "su" ever safe?
In ordinary Portuguese text, does "saiu" or "su" show up more?
Useful next steps
Done with this confusable. These links stay specific to "saiu" and "su".
- Full dictionary entry for "saiu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "su" - compare definitions side by side with the headword page. Word entry
- This pair ranks #66,304 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "saiu" and "su" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs su". 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 #66,304 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.