Which to use
“sin” is a pronoun and “suu” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,687
- “sin” frequency rank
- #47,111
- “suu” frequency rank
- 55798
- confusion score
Side-by-Side Comparison
| Feature | sin | suu |
|---|---|---|
| Definition | aquilo, aquele | boca, cavidade oral |
Letter map: sin vs suu
Shared letters muted; letters that set sin and suu apart highlighted. Shared run: 1.
Role in the sentence - sin and suu
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sin is apronoun and suuanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55798, derived from the frequency rank of both members and their visual similarity.
sin is recorded at frequency rank #8,687, classified as apron. suu is at rank #47,111, tagged as anoun, pronounced /ˈsuː/.
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 55798, this pair ranks #10,372 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of sin vs suu
Shared letters: s. Private to "sin": in. Private to "suu": u.
"sin" · 3 letters · shape CVC · "suu" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "sin" for "suu" ever safe?
Which is more common, "sin" or "suu"?
After this comparison
You've compared "sin" and "suu". Here's where to go from here.
- Full dictionary entry for "sin" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "suu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #10,372 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sin" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs suu". Nearby pair
Confusion rank #10,372 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.