Which to use
“sai” is an intj and “sein” is a verb - they look or sound alike but fill different roles in a sentence.
- #998
- “sai” frequency rank
- #43,647
- “sein” frequency rank
- 44645
- confusion score
Side-by-Side Comparison
| Feature | sai | sein |
|---|---|---|
| Definition | expressão que comunica que se deseja que se afaste, que deixe em paz | ser, estar. |
Letter map: sai vs sein
Shared letters muted; letters that set sai and sein apart highlighted. Shared run: 2. sai runs 3 letters (CVV) against sein's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - sai and sein
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sai is anintj and seinaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44645, derived from the frequency rank of both members and their visual similarity.
sai is recorded at frequency rank #998, classified as anintj. sein is at rank #43,647, tagged as averb, pronounced /zaɪ̯n/.
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 44645, this pair ranks #20,803 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sai vs sein
Shared letters: is. Private to "sai": a. Private to "sein": en.
"sai" · 3 letters · shape CVV · "sein" · 4 letters · shape CVVC
Known mistypes of this pair
- sein ← esin · seinn · seni · sien · ssein
Frequently Asked Questions
Can "sai" and "sein" be used interchangeably?
In ordinary Portuguese text, does "sai" or "sein" show up more?
What to do next
You've compared "sai" and "sein". Here's where to go from here.
- Full dictionary entry for "sai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sein" - compare definitions side by side with the headword page. Word entry
- This pair ranks #20,803 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sai" and "sein" also get mixed up with nearby pairs, the highest-scored neighbour is "sein vs slip". 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 #20,803 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.