Which to use
“sair” is a verb and “ser” is a noun - they look or sound alike but fill different roles in a sentence.
- #290
- “sair” frequency rank
- #30
- “ser” frequency rank
- 320
- confusion score
Side-by-Side Comparison
| Feature | sair | ser |
|---|---|---|
| Definition | passar de dentro para fora; deixar | existir, aquilo que supõe-se existir |
Where the eye mixes sair and ser
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: sair vs ser
These two trip readers on the page rather than in the ear: sair is /sɐ.ˈiɾ/ while ser is /ˈseɾ/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 320, derived from the frequency rank of both members and their visual similarity.
sair is recorded at frequency rank #290, classified as averb, pronounced /sɐ.ˈiɾ/. ser is at rank #30, tagged as anoun, pronounced /ˈseɾ/.
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 320, this pair ranks #75,319 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sair vs ser
Shared letters: rs. Private to "sair": ai. Private to "ser": e.
"sair" · 4 letters · shape CVVC · "ser" · 3 letters · shape CVC
Known mistypes of this pair
- sair ← asir · sairr · sari · siar · ssair
Frequently Asked Questions
Can "sair" and "ser" be used interchangeably?
Which is more common, "sair" or "ser"?
After this comparison
Eye-level mix-up between "sair" and "ser" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sair" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ser" - compare definitions side by side with the headword page. Word entry
- This pair ranks #75,319 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sair" and "ser" also get mixed up with nearby pairs, the highest-scored neighbour is "sair vs Sau". 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 #75,319 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.