suvssujoConfusable pair

Which to use

“su” and “sujo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,713
“su” frequency rank
#4,959
“sujo” frequency rank
11672
confusion score

Side-by-Side Comparison

Feature su sujo
Definition dele qualidade do que não está limpo

Letter map: su vs sujo

Shared letters muted; letters that set su and sujo apart highlighted. Shared run: 2.

2 ch
su
4 ch
sujo

Corpus notes: su and sujo

su and sujo are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 extra letter(s) - “su” sits inside “sujo”. Our composite confusion score for this pair is 11672, derived from the frequency rank of both members and their visual similarity.

su is recorded at frequency rank #6,713, classified as anadj. sujo is at rank #4,959, tagged as anadj.

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 11672, this pair ranks #61,131 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of su vs sujo

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

"su" · 2 letters · shape CV  ·  "sujo" · 4 letters · shape CVCV

Known mistypes of this pair

  • sujosjuo · ssujo · sujjo · suoj · usjo

Frequently Asked Questions

Can "su" and "sujo" be used interchangeably?
No. They differ by 2 extra letter(s) - “su” sits inside “sujo”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "su" or "sujo"?
"sujo" is the more common of the two: it sits at frequency rank #4,959 in our Portuguese list, against #6,713 for "su". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "su" and "sujo". Here's where to go from here.

  • Full dictionary entry for "su" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sujo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,131 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "su" and "sujo" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs su". 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 #61,131 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