duo

\dɥɔ\

/\dɥɔ\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“duo” sits in 20 confusable pairs (corpus #3,839) as a noun. The look-alike neighbours are the real trap.

#3,839
frequency rank, French
5,307
“D” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Morceau de musique fait pour être chanté par deux voix ou exécuté par deux instruments.

Corpus desk

Index FR-duo · duo · French

duo · rank #3,839 · 0 variants · 20 confusables

  • FREQ-COMMON #3,839
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,307
  • PHOTO-FINISH due

Nearest frequency peer: due (-1 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 neighbourhood for “duo”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “duo” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.

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 DV
0% similar
duo vs dy
33% similar
duo vs dz
33% similar

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

Key facts for duo
PropertyValue
Headwordduo
LanguageFrench
Part of speechNoun
IPA\dɥɔ\
Letters3
Frequency rank#3,839
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Où “duo” se place dans la fréquence du français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).duose place ici:

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

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Dans la même bande de rareté figurent « due » (#3,838), « dira » (#3,837), « entraîne » (#3,841). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for duo is neighbouring look-alikes ("DV", "dy", …), not just typos; it is anoun pronounced \dɥɔ\. Frequency #3,839 among 5,307 “D” headwords. 5 recorded senses keep meaning in play.

The misspelling generator found no plausible variants for duo, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "DV", "dy", "dz", 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 pattern is best understood through pronunciation rather than a traceable origin. The correct French form is duo, spelled D-U-O.

Definition

  1. 1
    Morceau de musique fait pour être chanté par deux voix ou exécuté par deux instruments.
  2. 2
    Ensemble musical composé de deux musiciens.
  3. 3
    Échange verbal entre deux personnes.
  4. 4
    Couple, paire, binôme.
  5. 5
    Nom d’une cage de laminoir comportant deux cylindres tournant en sens inverse.

Recorded use

Wiktionary examples

These source excerpts show how duo appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Un duo de flûte, un duo de violon.
  2. Chanter des duos.

Synonyms

dialogue

This word in other languages

duo(English)Duett(Deutsch)

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 French 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 \dɥɔ\.
What does "duo" mean?
As a noun, "duo" means: Morceau de musique fait pour être chanté par deux voix ou exécuté par deux instruments.
What words are commonly confused with "duo"?
"duo" is commonly confused with "DV", "dy", "dz". 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 \dɥɔ\. 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 French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 French words by spelling shape

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

Same letter count

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

due#3,838hop#3,853ali#3,819Joe#3,859

What to do next

You've looked up "duo". Here's where to go from here.

  • "duo" maps to 20 confusable pairs in this vintage; the highest-scored is "DV". View pair
  • Usage frequency rank #3,839 among French headwords in this corpus. Corpus statistics
  • Browse more French words in the "D" letter cohort. D–Z browse

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list