Which to use
“caso” is a conjunction and “como” is an adverb - they look or sound alike but fill different roles in a sentence.
- #181
- “caso” frequency rank
- #21
- “como” frequency rank
- 202
- confusion score
Side-by-Side Comparison
| Feature | caso | como |
|---|---|---|
| Definition | na hipótese de; se | de que modo, de qual maneira |
Where the eye mixes caso and como
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses caso with como
These two trip readers on the page rather than in the ear: caso is /ˈka.zu/ while como is /ˈko.mu/. 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 (conjunction vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 202, derived from the frequency rank of both members and their visual similarity.
caso is recorded at frequency rank #181, classified as aconj, pronounced /ˈka.zu/. como is at rank #21, tagged as anadv, pronounced /ˈko.mu/.
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 202, this pair ranks #75,430 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of caso vs como
Shared letters: co. Private to "caso": as. Private to "como": m.
"caso" · 4 letters · shape CVCV · "como" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "caso" and "como" mean the same thing in a sentence?
Which is more common, "caso" or "como"?
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 "como" - compare definitions side by side with the headword page. Word entry
- This pair ranks #75,430 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "caso" and "como" also get mixed up with nearby pairs, the highest-scored neighbour is "caso vs ciao". 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 #75,430 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.