dadovsduoWhich spelling fits?

Quick tell: dado is a adjective, duo is a noun, so they fill different roles in a sentence.

Which to use

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

#1,067
“dado” frequency rank
#15,317
“duo” frequency rank
16384
confusion score

Side-by-Side Comparison

Feature dado duo
Definition que foi entregado grupo de duas pessoas que atuam conjuntamente

Where the eye mixes dado and duo

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

4 ch
dado
3 ch
duo

Look-alike desk: dado vs duo

These two trip readers on the page rather than in the ear: dado is /ˈda.dʊ/ while duo is [du.o], Plural: [du.os]. 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 16384, derived from the frequency rank of both members and their visual similarity.

dado is recorded at frequency rank #1,067, classified as anadj, pronounced /ˈda.dʊ/. duo is at rank #15,317, tagged as anoun, pronounced [du.o], Plural: [du.os].

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 16384, this pair ranks #55,167 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dado vs duo

Shared letters: do. Private to "dado": a. Private to "duo": u.

"dado" · 4 letters · shape CVCV  ·  "duo" · 3 letters · shape CVV

Known mistypes of this pair

  • dadoaddo · daddo · daod · ddado · ddao

Frequently Asked Questions

Do "dado" and "duo" mean the same thing in a sentence?
No - they are not even the same part of speech. "dado" is an adjective and "duo" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "dado" or "duo" show up more?
"dado" is the more common of the two: it sits at frequency rank #1,067 in our Portuguese list, against #15,317 for "duo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dado" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,167 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dado" and "duo" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs duo". 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 #55,167 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