Which to use
“quadro” is a noun and “quarto” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,991
- “quadro” frequency rank
- #589
- “quarto” frequency rank
- 2580
- confusion score
Side-by-Side Comparison
| Feature | quadro | quarto |
|---|---|---|
| Definition | espaço limitado por quatro lados iguais; quadrado; caixilho | refere-se àquele que ocupa a posição quaternária em uma série; o que vem depois do terceiro |
Where the eye mixes quadro and quarto
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses quadro with quarto
These two trip readers on the page rather than in the ear: quadro is /ˈkwa.dɾu/ while quarto is /ˈkwaɾ.tu/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 2580, derived from the frequency rank of both members and their visual similarity.
quadro is recorded at frequency rank #1,991, classified as anoun, pronounced /ˈkwa.dɾu/. quarto is at rank #589, tagged as anadj, pronounced /ˈkwaɾ.tu/.
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 2580, this pair ranks #72,766 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of quadro vs quarto
Shared letters: aoqru. Private to "quadro": d. Private to "quarto": t.
"quadro" · 6 letters · shape CVVCCV · "quarto" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "quadro" and "quarto" be used interchangeably?
Which is more common, "quadro" or "quarto"?
After this comparison
Eye-level mix-up between "quadro" and "quarto" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "quadro" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "quarto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #72,766 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "quadro" and "quarto" also get mixed up with nearby pairs, the highest-scored neighbour is "quarter vs quarto". 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 #72,766 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.