simiovssucioTell them apart

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

Which to use

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

#26,619
“simio” frequency rank
#6,012
“sucio” frequency rank
32631
confusion score

Side-by-Side Comparison

Feature simio sucio
Definition Primate con características similares a las del ser humano (antropoide). El término se refiere a muchas especies diferentes, pero tiende a equivaler a la orden de los Simiiformes, varias de ellas hominoides. Se dice de lo que no está limpio.

Where the eye mixes simio and sucio

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
simio
5 ch
sucio

Why the eye confuses simio with sucio

These two trip readers on the page rather than in the ear: simio is [ˈsimjo] while sucio is [ˈsusjo]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 32631, derived from the frequency rank of both members and their visual similarity.

simio is recorded at frequency rank #26,619, classified as anoun, pronounced [ˈsimjo]. sucio is at rank #6,012, tagged as anadj, pronounced [ˈsusjo].

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 32631, this pair ranks #200,986 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of simio vs sucio

Shared letters: ios. Private to "simio": m. Private to "sucio": cu.

"simio" · 5 letters · shape CVCVV  ·  "sucio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • simiocimio · ismio · siimo · simmio · simoi · smiio · ssimio
  • sucioscuio · ssucio · succio · sucoi · suico · susio · uscio

Frequently Asked Questions

Can "simio" and "sucio" be used interchangeably?
No - they are not even the same part of speech. "simio" is a noun and "sucio" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "simio" vs "sucio" - which ranks higher?
"sucio" is the more common of the two: it sits at frequency rank #6,012 in our Spanish list, against #26,619 for "simio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "simio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sucio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #200,986 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "simio" and "sucio" also get mixed up with nearby pairs, the highest-scored neighbour is "Simeón vs simio". 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 #200,986 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