suciovssusoConfusable pair

Quick tell: sucio is a adjective, suso is an adverb, so they fill different roles in a sentence.

Which to use

“sucio” is an adjective and “suso” is an adverb - they look or sound alike but fill different roles in a sentence.

#6,012
“sucio” frequency rank
#32,895
“suso” frequency rank
38907
confusion score

Side-by-Side Comparison

Feature sucio suso
Definition Se dice de lo que no está limpio. Término castellano en desuso sinónimo de arriba, muy utilizado antiguamente en términos geográficos para distinguir entre las tierras situadas en la parte alta (de suso) y las situada en la parte baja (de yuso o de ayuso).

Where the eye mixes sucio and suso

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sucio runs 5 letters (CVCVV) against suso's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
sucio
4 ch
suso

Visual trap between sucio and suso

These two trip readers on the page rather than in the ear: sucio is [ˈsusjo] while suso is [ˈsuso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 38907, derived from the frequency rank of both members and their visual similarity.

sucio is recorded at frequency rank #6,012, classified as anadj, pronounced [ˈsusjo]. suso is at rank #32,895, tagged as anadv, pronounced [ˈsuso].

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 38907, this pair ranks #167,446 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sucio vs suso

Shared letters: osu. Private to "sucio": ci. Private to "suso": -.

"sucio" · 5 letters · shape CVCVV  ·  "suso" · 4 letters · shape CVCV

Known mistypes of this pair

  • sucio ← scuio · ssucio · succio · sucoi · suico · susio · uscio
  • suso ← ssuo · ssuso · susso

Frequently Asked Questions

Is swapping "sucio" for "suso" ever safe?
No - they are not even the same part of speech. "sucio" is an adjective and "suso" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "sucio" or "suso" show up more?
"sucio" is the more common of the two: it sits at frequency rank #6,012 in our Spanish list, against #32,895 for "suso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sucio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #167,446 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sucio" and "suso" also get mixed up with nearby pairs, the highest-scored neighbour is "sous vs suso". 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 #167,446 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list