Which to use
“sais” is a noun and “sein” is a verb - they look or sound alike but fill different roles in a sentence.
- #11,150
- “sais” frequency rank
- #43,647
- “sein” frequency rank
- 54797
- confusion score
Side-by-Side Comparison
| Feature | sais | sein |
|---|---|---|
| Definition | substâncias voláteis dadas a uma pessoa desmaiada para fazer com que ela acorde | ser, estar. |
Letter map: sais vs sein
Shared letters muted; letters that set sais and sein apart highlighted. Shared run: 2. sais and sein follow the identical consonant-vowel pattern (CVVC). Same shape at a glance is often the real trap, independent of shared letters.
Part-of-speech tell for sais / sein
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sais is anoun and seinaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 54797, derived from the frequency rank of both members and their visual similarity.
sais is recorded at frequency rank #11,150, classified as anoun. 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 54797, this pair ranks #11,035 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of sais vs sein
Shared letters: is. Private to "sais": a. Private to "sein": en.
"sais" · 4 letters · shape CVVC · "sein" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "sais" and "sein" be used interchangeably?
Which is more common, "sais" or "sein"?
Useful next steps
Done with this confusable. These links stay specific to "sais" and "sein".
- Full dictionary entry for "sais" 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 #11,035 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sais" 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 #11,035 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.