Which to use
“quarto” is an adjective and “quartzo” is a noun - they look or sound alike but fill different roles in a sentence.
- #589
- “quarto” frequency rank
- #26,528
- “quartzo” frequency rank
- 27117
- confusion score
Side-by-Side Comparison
| Feature | quarto | quartzo |
|---|---|---|
| Definition | refere-se àquele que ocupa a posição quaternária em uma série; o que vem depois do terceiro | o mineral mais abundante do planeta, representando 12% da crosta terrestre; é formado basicamente por sílica (dióxido de silício SiO₂), que forma uma estrutura cristalina trigonal composta por tetraedros; é largamente utilizado na indústria para a fabricação dos mais diversos produtos como, vidros, abrasivos, fibras óticas, componentes eletrônicos, instrumentos óticos, cerâmicas, joias e ornamentos |
Where the eye mixes quarto and quartzo
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Why the eye confuses quarto with quartzo
These two trip readers on the page rather than in the ear: quarto is /ˈkwaɾ.tu/ while quartzo is /ˈkwaɾ.tzu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 27117, derived from the frequency rank of both members and their visual similarity.
quarto is recorded at frequency rank #589, classified as anadj, pronounced /ˈkwaɾ.tu/. quartzo is at rank #26,528, tagged as anoun, pronounced /ˈkwaɾ.tzu/.
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 27117, this pair ranks #41,895 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of quarto vs quartzo
Shared letters: aoqrtu. Private to "quarto": -. Private to "quartzo": z.
"quarto" · 6 letters · shape CVVCCV · "quartzo" · 7 letters · shape CVVCCCV
Known mistypes of this pair
Frequently Asked Questions
Do "quarto" and "quartzo" mean the same thing in a sentence?
Which is more common, "quarto" or "quartzo"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "quarto" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "quartzo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #41,895 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "quarto" and "quartzo" also get mixed up with nearby pairs, the highest-scored neighbour is "quarter vs quartzo". 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 #41,895 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.