sua vs suu, What's the Difference?

Which to use

“sua” is an adjective and “suu” is a noun - they look or sound alike but fill different roles in a sentence.

#32
“sua” frequency rank: #47,111
“suu” frequency rank: 47143
confusion score

Side-by-Side Comparison

Feature	sua	suu
Definition	que tem você como objeto	boca, cavidade oral

Letter map: sua vs suu

Shared letters muted; letters that set sua and suu apart highlighted. Shared run: 2. sua and suu follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch

sua

3 ch

suu

Grammar separator: sua vs suu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sua is anadjective and suuanoun. On the page they differ by a single letter - a in “sua” becomes u in “suu”. Our composite confusion score for this pair is 47143, derived from the frequency rank of both members and their visual similarity.

sua is recorded at frequency rank #32, classified as anadj. 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 47143, this pair ranks #18,135 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sua vs suu

Shared letters: su. Private to "sua": a. Private to "suu": -.

"sua" · 3 letters · shape CVV · "suu" · 3 letters · shape CVV

Frequently Asked Questions

Can "sua" and "suu" be used interchangeably?

No - they are not even the same part of speech. "sua" is an adjective and "suu" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "sua" or "suu"?

"sua" is the more common of the two: it sits at frequency rank #32 in our Portuguese list, against #47,111 for "suu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "sua" and "suu".

Full dictionary entry for "sua" 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 #18,135 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"sua" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs suu". Nearby pair

Confusion rank #18,135 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.