Which to use
“sim” is an adverb and “suu” is a noun - they look or sound alike but fill different roles in a sentence.
- #147
- “sim” frequency rank
- #47,111
- “suu” frequency rank
- 47258
- confusion score
Side-by-Side Comparison
| Feature | sim | suu |
|---|---|---|
| Definition | exprime afirmação, acordo, aprovação, permissão ou consentimento | boca, cavidade oral |
Where the eye mixes sim and suu
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: sim vs suu
These two trip readers on the page rather than in the ear: sim is /ˈsĩ/ while suu is /ˈsuː/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47258, derived from the frequency rank of both members and their visual similarity.
sim is recorded at frequency rank #147, classified as anadv, pronounced /ˈsĩ/. 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 47258, this pair ranks #18,003 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of sim vs suu
Shared letters: s. Private to "sim": im. Private to "suu": u.
"sim" · 3 letters · shape CVC · "suu" · 3 letters · shape CVV
Frequently Asked Questions
Can "sim" and "suu" be used interchangeably?
Which is more common, "sim" or "suu"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sim" 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 #18,003 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sim" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs suu". Nearby pair
Confusion rank #18,003 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.