doisvsdosWhich spelling fits?

Which to use

“dois” and “dos” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#109
“dois” frequency rank
#24
“dos” frequency rank
133
confusion score

Side-by-Side Comparison

Feature dois dos
Definition número equivalente a um mais um; cardinalidade de um conjunto que contenha um elemento e um outro elemento distinto; representado pelo símbolo 2 (algarismos indo-arábicos) ou II (algarismos romanos); seu feminino é duas o número dois

Where the eye mixes dois and dos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
dois
3 ch
dos

Visual trap between dois and dos

A purely visual mix-up. dois (/ˈdojʃ/) and dos (/dɔs/) 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 133, derived from the frequency rank of both members and their visual similarity.

dois is recorded at frequency rank #109, classified as anum, pronounced /ˈdojʃ/. dos is at rank #24, tagged as anum, pronounced /dɔs/.

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 133, this pair ranks #75,526 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dois vs dos

Shared letters: dos. Private to "dois": i. Private to "dos": -.

"dois" · 4 letters · shape CVVC  ·  "dos" · 3 letters · shape CVC

Known mistypes of this pair

  • doisddois · dios · doiss · dosi · odis

Frequently Asked Questions

Do "dois" and "dos" mean the same thing in a sentence?
No. They are said differently (/ˈdojʃ/ versus /dɔs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "dois" vs "dos" - which ranks higher?
"dos" is the more common of the two: it sits at frequency rank #24 in our Portuguese list, against #109 for "dois". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "dois" and "dos" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dois" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,526 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dois" and "dos" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dos". 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 #75,526 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