sumavssumabaWhat's the difference?

Quick tell: suma is a noun, sumaba is a verb, so they fill different roles in a sentence.

Which to use

“suma” is a noun and “sumaba” is a verb - they look or sound alike but fill different roles in a sentence.

#2,135
“suma” frequency rank
#38,406
“sumaba” frequency rank
40541
confusion score

Side-by-Side Comparison

Feature suma sumaba
Definition Cantidad equivalente a dos o más homogéneas. Primera persona del singular (yo) del pretérito imperfecto de indicativo de sumar.

Where the eye mixes suma and sumaba

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
suma
6 ch
sumaba

Visual trap between suma and sumaba

These two trip readers on the page rather than in the ear: suma is [ˈsuma] while sumaba is [suˈmaβ̞a]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “suma” sits inside “sumaba”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 40541, 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]. sumaba is at rank #38,406, tagged as averb, pronounced [suˈmaβ̞a].

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 40541, this pair ranks #158,508 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of suma vs sumaba

Shared letters: amsu. Private to "suma": -. Private to "sumaba": b.

"suma" · 4 letters · shape CVCV  ·  "sumaba" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • sumasmua · ssuma · suam · summa · usma
  • sumabasmuaba · ssumaba · suamba · sumaab · sumabba · sumava · sumbaa · summaba

Frequently Asked Questions

Do "suma" and "sumaba" mean the same thing in a sentence?
No - they are not even the same part of speech. "suma" is a noun and "sumaba" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "suma" or "sumaba" show up more?
"suma" is the more common of the two: it sits at frequency rank #2,135 in our Spanish list, against #38,406 for "sumaba". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "suma" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sumaba" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #158,508 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "suma" and "sumaba" also get mixed up with nearby pairs, the highest-scored neighbour is "sumaba vs sumada". 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 #158,508 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