sujovssuuWhich spelling fits?

Quick tell: sujo is a adjective, suu is a noun, so they fill different roles in a sentence.

Which to use

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

#4,959
“sujo” frequency rank
#47,111
“suu” frequency rank
52070
confusion score

Side-by-Side Comparison

Feature sujo suu
Definition qualidade do que não está limpo boca, cavidade oral

Letter map: sujo vs suu

Shared letters muted; letters that set sujo and suu apart highlighted. Shared run: 2. sujo runs 4 letters (CVCV) against suu's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
sujo
3 ch
suu

Role in the sentence - sujo and suu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sujo is anadjective and suuanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52070, derived from the frequency rank of both members and their visual similarity.

sujo is recorded at frequency rank #4,959, 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 52070, this pair ranks #13,063 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sujo vs suu

Shared letters: su. Private to "sujo": jo. Private to "suu": -.

"sujo" · 4 letters · shape CVCV  ·  "suu" · 3 letters · shape CVV

Known mistypes of this pair

  • sujo ← sjuo · ssujo · sujjo · suoj · usjo

Frequently Asked Questions

Do "sujo" and "suu" mean the same thing in a sentence?
No - they are not even the same part of speech. "sujo" is an adjective and "suu" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "sujo" or "suu" show up more?
"sujo" is the more common of the two: it sits at frequency rank #4,959 in our Portuguese list, against #47,111 for "suu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "sujo" 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 #13,063 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sujo" and "suu" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs suu". 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 #13,063 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list