Which to use
“se” is a conjunction and “sei” is an intj - they look or sound alike but fill different roles in a sentence.
- #16
- “se” frequency rank
- #118
- “sei” frequency rank
- 134
- confusion score
Side-by-Side Comparison
| Feature | se | sei |
|---|---|---|
| Definition | indica hipótese | expressa que aquilo ouvido que foi dito ou afirmado por alguém não é tomado como sendo a verdade |
Where the spellings diverge
Shared letters are muted; the letters that actually set se and sei apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
se and sei form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “se” sits inside “sei” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 134, derived from the frequency rank of both members and their visual similarity.
se is recorded at frequency rank #16, classified as aconj, pronounced /sɨ/. sei is at rank #118, tagged as anintj.
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 134, this pair ranks #75,524 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "se" and "sei" be used interchangeably?
Remembering se vs sei
The fastest way to pick the right one every time.
- Check the role first: if you need a conjunction, it's “se”; for an intj, it's “sei”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “se” entry
- Browse more pairs most likely to be confused. Most confusable