Which to use
“quarter” and “quarto” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,042
- “quarter” frequency rank
- #589
- “quarto” frequency rank
- 45631
- confusion score
Side-by-Side Comparison
| Feature | quarter | quarto |
|---|---|---|
| Definition | quarto; quarta parte | refere-se àquele que ocupa a posição quaternária em uma série; o que vem depois do terceiro |
Where the eye mixes quarter and quarto
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses quarter with quarto
A purely visual mix-up. quarter (/ˈkwɔːtə/) and quarto (/ˈkwaɾ.tu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45631, derived from the frequency rank of both members and their visual similarity.
quarter is recorded at frequency rank #45,042, classified as anadj, pronounced /ˈkwɔːtə/. 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 45631, this pair ranks #19,756 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of quarter vs quarto
Shared letters: aqrtu. Private to "quarter": e. Private to "quarto": o.
"quarter" · 7 letters · shape CVVCCVC · "quarto" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "quarter" and "quarto" be used interchangeably?
Frequency check: "quarter" vs "quarto" - which ranks higher?
After this comparison
Eye-level mix-up between "quarter" and "quarto" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "quarter" 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 #19,756 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "quarter" and "quarto" 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 #19,756 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.