doisvsdotTell them apart

Quick tell: dois is a num, dot is a noun, so they fill different roles in a sentence.

Which to use

“dois” is a num and “dot” is a noun - they look or sound alike but fill different roles in a sentence.

#109
“dois” frequency rank
#23,988
“dot” frequency rank
24097
confusion score

Side-by-Side Comparison

Feature dois dot
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 dúvida

Where the eye mixes dois and dot

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
dois
3 ch
dot

Look-alike desk: dois vs dot

These two trip readers on the page rather than in the ear: dois is /ˈdojʃ/ while dot is /ˈdot/. 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 (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 24097, derived from the frequency rank of both members and their visual similarity.

dois is recorded at frequency rank #109, classified as anum, pronounced /ˈdojʃ/. dot is at rank #23,988, tagged as anoun, pronounced /ˈdot/.

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 24097, this pair ranks #45,607 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dois vs dot

Shared letters: do. Private to "dois": is. Private to "dot": t.

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

Known mistypes of this pair

  • doisddois · dios · doiss · dosi · odis

Frequently Asked Questions

Can "dois" and "dot" be used interchangeably?
No - they are not even the same part of speech. "dois" is a num and "dot" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "dois" or "dot" show up more?
"dois" is the more common of the two: it sits at frequency rank #109 in our Portuguese list, against #23,988 for "dot". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "dois" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dot" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,607 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dois" and "dot" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dot". 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 #45,607 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