sujovssulcoWhich spelling fits?

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

Which to use

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

#4,959
“sujo” frequency rank
#45,610
“sulco” frequency rank
50569
confusion score

Side-by-Side Comparison

Feature sujo sulco
Definition qualidade do que não está limpo rego

Letter map: sujo vs sulco

Shared letters muted; letters that set sujo and sulco apart highlighted. Shared run: 3. sujo runs 4 letters (CVCV) against sulco's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
sujo
5 ch
sulco

Grammar separator: sujo vs sulco

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sujo is anadjective and sulcoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50569, derived from the frequency rank of both members and their visual similarity.

sujo is recorded at frequency rank #4,959, classified as anadj. sulco is at rank #45,610, tagged as anoun, pronounced /ˈsuɫ.ku/.

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 50569, this pair ranks #14,401 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sujo vs sulco

Shared letters: osu. Private to "sujo": j. Private to "sulco": cl.

"sujo" · 4 letters · shape CVCV  ·  "sulco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • sujo ← sjuo · ssujo · sujjo · suoj · usjo
  • sulco ← sluco · ssulco · suclo · sulcco · sullco · suloc · uslco

Frequently Asked Questions

Can "sujo" and "sulco" be used interchangeably?
No - they are not even the same part of speech. "sujo" is an adjective and "sulco" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sujo" vs "sulco" - which ranks higher?
"sujo" is the more common of the two: it sits at frequency rank #4,959 in our Portuguese list, against #45,610 for "sulco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "sujo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sulco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,401 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sujo" and "sulco" also get mixed up with nearby pairs, the highest-scored neighbour is "sueño vs sulco". 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 #14,401 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