sumovssurcoTell them apart

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

Which to use

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

#7,630
“sumo” frequency rank
#24,664
“surco” frequency rank
32294
confusion score

Side-by-Side Comparison

Feature sumo surco
Definition Superlativo irregular de alto: sumamente alto. Franja de tierra hendida por el arado.

Where the eye mixes sumo and surco

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

4 ch
sumo
5 ch
surco

Why the eye confuses sumo with surco

These two trip readers on the page rather than in the ear: sumo is [ˈsumo] while surco is [ˈsuɾko]. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 32294, derived from the frequency rank of both members and their visual similarity.

sumo is recorded at frequency rank #7,630, classified as anadj, pronounced [ˈsumo]. surco is at rank #24,664, tagged as anoun, pronounced [ˈsuɾko].

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 32294, this pair ranks #202,721 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sumo vs surco

Shared letters: osu. Private to "sumo": m. Private to "surco": cr.

"sumo" · 4 letters · shape CVCV  ·  "surco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • sumosmuo · ssumo · summo · suom · usmo
  • surcosruco · ssurco · sucro · surcco · suroc · surrco · usrco

Frequently Asked Questions

Is swapping "sumo" for "surco" ever safe?
No - they are not even the same part of speech. "sumo" is an adjective and "surco" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sumo" or "surco"?
"sumo" is the more common of the two: it sits at frequency rank #7,630 in our Spanish list, against #24,664 for "surco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sumo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "surco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #202,721 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sumo" and "surco" also get mixed up with nearby pairs, the highest-scored neighbour is "sarro vs surco". 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 #202,721 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