quartetovsquartoWhich spelling fits?

Quick tell: quarteto is a noun, quarto is an adjective, so they fill different roles in a sentence.

Which to use

“quarteto” is a noun and “quarto” is an adjective - they look or sound alike but fill different roles in a sentence.

#13,159
“quarteto” frequency rank
#589
“quarto” frequency rank
13748
confusion score

Side-by-Side Comparison

Feature quarteto quarto
Definition composição musical, própria para ser executada por quatro vozes ou quatro instrumentos refere-se àquele que ocupa a posição quaternária em uma série; o que vem depois do terceiro

Letter map: quarteto vs quarto

Shared letters muted; letters that set quarteto and quarto apart highlighted. Shared run: 6.

8 ch
quarteto
6 ch
quarto

Part-of-speech tell for quarteto / quarto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: quarteto is anoun and quartoanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 13748, derived from the frequency rank of both members and their visual similarity.

quarteto is recorded at frequency rank #13,159, classified as anoun. 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 13748, this pair ranks #58,495 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of quarteto vs quarto

Shared letters: aoqrtu. Private to "quarteto": e. Private to "quarto": -.

"quarteto" · 8 letters · shape CVVCCVCV  ·  "quarto" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • quartetoqaurteto · qquarteto · quaretto · quarrteto · quarteot · quartetto · quartteo · quartteto
  • quartoqaurto · qquarto · quarot · quarrto · quartto · qurato · uqarto

Frequently Asked Questions

Is swapping "quarteto" for "quarto" ever safe?
No - they are not even the same part of speech. "quarteto" is a noun and "quarto" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "quarteto" or "quarto"?
"quarto" is the more common of the two: it sits at frequency rank #589 in our Portuguese list, against #13,159 for "quarteto". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "quarteto" vs "quarto" is on the table, pick a follow-up below.

  • Full dictionary entry for "quarteto" 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 #58,495 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "quarteto" and "quarto" also get mixed up with nearby pairs, the highest-scored neighbour is "quarter vs quarteto". 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 #58,495 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