duo

[du.o], Plural: [du.os]

/[du.o], Plural: [du.os]/ noun

The verdict

“duo” sits in 20 confusable pairs (corpus #15,317) as a noun. The look-alike neighbours are the real trap.

#15,317
frequency rank, Portuguese
1,193
“D” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - grupo de duas pessoas que atuam conjuntamente

Corpus desk

Index PT-duo · duo · Portuguese

duo · rank #15,317 · 0 variants · 20 confusables

  • FREQ-MID #15,317
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 1,193
  • PHOTO-FINISH dotado

Nearest frequency peer: dotado (-2 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbours of confusable “duo”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “duo” against nearest ranked Portuguese headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

duo vs DVD
0% similar
duo vs dura
50% similar
duo vs duro
75% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for duo
PropertyValue
Headwordduo
LanguagePortuguese
Part of speechNoun
IPA[du.o], Plural: [du.os]
Letters3
Frequency rank#15,317
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Onde “duo” fica na frequência do português

Esta escala corre do núcleo do português quotidiano (esquerda) até o rastro de formas raras (direita).duocai aqui:

#1#100#1K#10K#100K
← used constantlyrarely used →

O eixo é logarítmico: cada tick marca cerca de dez vezes menos frequência. Na mesma faixa de raridade aparecem “dotado” (#15,315), “egoísmo” (#15,319), “dormitório” (#15,314). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for duo is neighbouring look-alikes ("DVD", "dura", …), not just typos; it is anoun pronounced [du.o], Plural: [du.os]. Frequency #15,317 among 1,193 “D” headwords. 2 recorded senses keep meaning in play.

The misspelling generator found no plausible variants for duo, suggesting the orthography follows predictable Portuguese patterns. It also participates in 20 confusable-pair relationships, "DVD", "dura", "duro", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is duo, spelled D-U-O.

Definition

  1. 1
    grupo de duas pessoas que atuam conjuntamente
  2. 2
    composição musical, cantada por duas vozes ou tocada por dois instrumentos

Synonyms

duetodupla

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "duo"?
"duo" is spelled D-U-O. The IPA pronunciation is [du.o], Plural: [du.os].
What does "duo" mean?
As a noun, "duo" means: grupo de duas pessoas que atuam conjuntamente
What words are commonly confused with "duo"?
"duo" is commonly confused with "DVD", "dura", "duro". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "duo"?
The IPA (International Phonetic Alphabet) transcription for "duo" is [du.o], Plural: [du.os]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "duo" come from?
"duo" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "duo", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 3 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list