dual

\dɥal\

/\dɥal\/ adj

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

The verdict

“dual” is a moderately-common French word, ranked #25,623 in French word frequency and used as an adjective.

#25,623
frequency rank, French
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Se dit de deux polyèdres réguliers lorsqu’on obtient l’un en échangeant les faces et sommets de l’autre.

Visual similarity to commonly confused words

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

dual vs dur
50% similar
dual vs duc
50% similar
dual vs due
50% similar

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

Key facts for dual
PropertyValue
Headworddual
LanguageFrench
Part of speechAdjective
IPA\dɥal\
Letters4
Frequency rank#25,623
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “dual” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). dual lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The French entry for dual is 4 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as \dɥal\. Corpus data places it at rank #25,623 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 5 likely wrong-spelling variants for dual, with forms such as "daul", "ddual", and "duall". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "dur", "duc", "due", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No borrowing history is documented for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is dual, spelled D-U-A-L.

Definition

  1. 1
    Se dit de deux polyèdres réguliers lorsqu’on obtient l’un en échangeant les faces et sommets de l’autre.
  2. 2
    Se dit de propriétés qui sont par deux et qui présentent un caractère de réciprocité.
  3. 3
    Équation, expression duale : Qui se déduit d’une équation ou d’une expression écrite avec les symboles d’union et d’intersection en inversant ces symboles.
  4. 4
    Double (avec un caractère de réciprocité).
  5. 5
    Société duale : Dans laquelle existent une population à hauts revenus et à forte productivité et une population à revenus et productivité faibles.
  6. 6
    Se dit d'un graphe défini à l'aide des composantes de son complémentaire, reliées par ses arêtes.

Common misspellings

Also misspelled as: daul,ddual,duall,dula,udal

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of dual - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

daul2ddual1duall1dula2udal2
Edit distance from "dual"

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 "dual"?
"dual" is spelled D-U-A-L. The IPA pronunciation is \dɥal\.
What does "dual" mean?
As an adjective, "dual" means: Se dit de deux polyèdres réguliers lorsqu’on obtient l’un en échangeant les faces et sommets de l’autre.
What words are commonly confused with "dual"?
"dual" is commonly confused with "dur", "duc", "due". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "dual"?
The IPA (International Phonetic Alphabet) transcription for "dual" is \dɥal\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "dual" come from?
"dual" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Using “dual”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is D-U-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as \dɥal\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “dur” - see the side-by-side comparison. dual vs dur
  • Browse more French words and confusable pairs in the same reference. French words
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 FrequencyWords open word-frequency list