sumavssurWhich spelling fits?

Which to use

“suma” and “sur” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,135
“suma” frequency rank
#517
“sur” frequency rank
2652
confusion score

Side-by-Side Comparison

Feature suma sur
Definition Cantidad equivalente a dos o más homogéneas. Punto cardinal del horizonte, exactamente donde se encuentra el Sol a mediodía (en el hemisferio norte), marcado a 180° con respecto al Norte en una brújula. Convencionalmente se ubica en la parte inferior de los mapas,.

Where the eye mixes suma and sur

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
suma
3 ch
sur

Visual trap between suma and sur

A purely visual mix-up. suma ([ˈsuma]) and sur ([ˈsuɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 2652, derived from the frequency rank of both members and their visual similarity.

suma is recorded at frequency rank #2,135, classified as anoun, pronounced [ˈsuma]. sur is at rank #517, tagged as anoun, pronounced [ˈsuɾ].

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 2652, this pair ranks #319,906 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of suma vs sur

Shared letters: su. Private to "suma": am. Private to "sur": r.

"suma" · 4 letters · shape CVCV  ·  "sur" · 3 letters · shape CVC

Known mistypes of this pair

  • sumasmua · ssuma · suam · summa · usma

Frequently Asked Questions

Can "suma" and "sur" be used interchangeably?
No. They are said differently ([ˈsuma] versus [ˈsuɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "suma" or "sur" show up more?
"sur" is the more common of the two: it sits at frequency rank #517 in our Spanish list, against #2,135 for "suma". 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 "suma" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #319,906 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "suma" and "sur" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs suma". 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 #319,906 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