cadavscasoWhat's the difference?

Quick tell: cada is a pronoun, caso is a conjunction, so they fill different roles in a sentence.

Which to use

“cada” is a pronoun and “caso” is a conjunction - they look or sound alike but fill different roles in a sentence.

#144
“cada” frequency rank
#181
“caso” frequency rank
325
confusion score

Side-by-Side Comparison

Feature cada caso
Definition indica, individualizando, um elemento de um grupo ou conjunto: na hipótese de; se

Where the eye mixes cada and caso

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

4 ch
cada
4 ch
caso

Look-alike desk: cada vs caso

These two trip readers on the page rather than in the ear: cada is /ˈkɐ.dɐ/ while caso is /ˈka.zu/. 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 (pronoun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 325, derived from the frequency rank of both members and their visual similarity.

cada is recorded at frequency rank #144, classified as apron, pronounced /ˈkɐ.dɐ/. caso is at rank #181, tagged as aconj, pronounced /ˈka.zu/.

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 325, this pair ranks #75,312 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cada vs caso

Shared letters: ac. Private to "cada": d. Private to "caso": os.

"cada" · 4 letters · shape CVCV  ·  "caso" · 4 letters · shape CVCV

Known mistypes of this pair

  • cadaacda · caad · cadda · ccada · cdaa
  • casoacso · casso · ccaso · csao

Frequently Asked Questions

Do "cada" and "caso" mean the same thing in a sentence?
No - they are not even the same part of speech. "cada" is a pronoun and "caso" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cada" or "caso"?
"cada" is the more common of the two: it sits at frequency rank #144 in our Portuguese list, against #181 for "caso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "cada" and "caso" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cada" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,312 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cada" and "caso" also get mixed up with nearby pairs, the highest-scored neighbour is "cada vs cerda". 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 #75,312 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list