Which to use
“sei” is an intj and “sie” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #118
- “sei” frequency rank
- #40,788
- “sie” frequency rank
- 40906
- confusion score
Side-by-Side Comparison
| Feature | sei | sie |
|---|---|---|
| Definition | expressa que aquilo ouvido que foi dito ou afirmado por alguém não é tomado como sendo a verdade | ela, pronome pessoal feminino do caso nominativo da terceira pessoa do singular: |
Letter map: sei vs sie
Shared letters muted; letters that set sei and sie apart highlighted. Shared run: 2.
Role in the sentence - sei and sie
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sei is anintj and sieapronoun. On the page they differ only by swapping two adjacent letters (ei ↔ ie) - a transposition the eye reads straight past. Our composite confusion score for this pair is 40906, derived from the frequency rank of both members and their visual similarity.
sei is recorded at frequency rank #118, classified as anintj. sie is at rank #40,788, tagged as apron, pronounced /zi:/ ouvir^(fonte ?) ouvir^(fonte ?).
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 40906, this pair ranks #25,115 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sei vs sie
Shared letters: eis. Private to "sei": -. Private to "sie": -.
"sei" · 3 letters · shape CVV · "sie" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "sei" for "sie" ever safe?
Which is more common, "sei" or "sie"?
What to do next
Pair "sei" vs "sie" is on the table, pick a follow-up below.
- Full dictionary entry for "sei" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sie" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,115 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sei" and "sie" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs sie". Nearby pair
Confusion rank #25,115 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.