casovscómoConfusable pair

Quick tell: caso is a noun, cómo is an adverb, so they fill different roles in a sentence.

Which to use

“caso” is a noun and “cómo” is an adverb - they look or sound alike but fill different roles in a sentence.

#157
“caso” frequency rank
#124
“cómo” frequency rank
281
confusion score

Side-by-Side Comparison

Feature caso cómo
Definition Cada una de varias instancias consideradas como pertenecientes a un mismo tipo de situaciones o cosas (como los casos de una enfermedad, etc.). De qué manera.

Where the eye mixes caso and cómo

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

4 ch
caso
4 ch
cómo

Why the eye confuses caso with cómo

These two trip readers on the page rather than in the ear: caso is [ˈkaso] while cómo is [ˈkomo]. 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 adverb), which is usually the fastest check. Our composite confusion score for this pair is 281, derived from the frequency rank of both members and their visual similarity.

caso is recorded at frequency rank #157, classified as anoun, pronounced [ˈkaso]. cómo is at rank #124, tagged as anadv, pronounced [ˈkomo].

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 281, this pair ranks #323,575 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caso vs cómo

Shared letters: co. Private to "caso": as. Private to "cómo": .

"caso" · 4 letters · shape CVCV  ·  "cómo" · 4 letters · shape CVCV

Known mistypes of this pair

  • casoacso · casso · ccaso · csao

Frequently Asked Questions

Do "caso" and "cómo" mean the same thing in a sentence?
No - they are not even the same part of speech. "caso" is a noun and "cómo" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caso" or "cómo"?
"cómo" is the more common of the two: it sits at frequency rank #124 in our Spanish list, against #157 for "caso". 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 "caso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cómo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #323,575 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caso" and "cómo" also get mixed up with nearby pairs, the highest-scored neighbour is "caso vs Chasco". 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 #323,575 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