calculavscápsulaWhat's the difference?

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

Which to use

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

#8,763
“calcula” frequency rank
#14,327
“cápsula” frequency rank
23090
confusion score

Side-by-Side Comparison

Feature calcula cápsula
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de calcular. Cierre metálico o de plástico que se aplica sobre el corcho de las botellas para asegurar su estanqueidad

Where the eye mixes calcula and cápsula

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

7 ch
calcula
7 ch
cápsula

Why the eye confuses calcula with cápsula

These two trip readers on the page rather than in the ear: calcula is [kalˈkula] while cápsula is [ˈkapsula]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 23090, derived from the frequency rank of both members and their visual similarity.

calcula is recorded at frequency rank #8,763, classified as averb, pronounced [kalˈkula]. cápsula is at rank #14,327, tagged as anoun, pronounced [ˈkapsula].

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 23090, this pair ranks #247,429 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of calcula vs cápsula

Shared letters: aclu. Private to "calcula": -. Private to "cápsula": psá.

"calcula" · 7 letters · shape CVCCVCV  ·  "cápsula" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • calculaaclcula · caclula · calccula · calclua · calcual · calculla · callcula · calucla

Frequently Asked Questions

Can "calcula" and "cápsula" be used interchangeably?
No - they are not even the same part of speech. "calcula" is a verb and "cápsula" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "calcula" or "cápsula" show up more?
"calcula" is the more common of the two: it sits at frequency rank #8,763 in our Spanish list, against #14,327 for "cápsula". 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 "calcula" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cápsula" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #247,429 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "calcula" and "cápsula" also get mixed up with nearby pairs, the highest-scored neighbour is "Capella vs cápsula". 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 #247,429 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