duplex

\dy.plɛks\

/\dy.plɛks\/ noun

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

The verdict

“duplex” has 9 generated spelling variants in the French index at frequency #24,185. The variants make it a useful spelling check.

#24,185
frequency rank, French
5,307
“D” headwords
9
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Logement s’étendant sur deux niveaux à l’intérieur d’un bâtiment collectif.

Corpus desk

Index FR-duplex · duplex · French

duplex · rank #24,185 · 9 variants · 4 confusables

  • FREQ-MID #24,185
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-MID 4 pairs
  • VAR-MID 9 variants
  • BOOK-DENSE 5,307
  • PHOTO-FINISH débâcle

Nearest frequency peer: débâcle (+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.

Pairs de rang près de l'aimant d'erreurs « duplex »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « duplex » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

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).

duplex vs dupe
67% similar
duplex vs dupes
67% similar
duplex vs duper
67% similar

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

Key facts for duplex
PropertyValue
Headwordduplex
LanguageFrench
Part of speechNoun
IPA\dy.plɛks\
Letters6
Frequency rank#24,185
Misspellings tracked9
Confusable pairs4
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « duplex »

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.duplexse place ici:

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

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Dans la même bande de rareté figurent « débâcle » (#24,186), « décevante » (#24,187), « décris » (#24,189). Parmi 5,307 lemmes en « D », « duplex » est au #24,185. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around duplex (IPA \dy.plɛks\), anoun. Corpus frequency is #24,185 among 5,307 “D” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for duplex, with forms such as "dduplex", "dpulex", and "dulpex". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 4 confusable-pair relationships, "dupe", "dupes", "duper", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

This entry's etymology isn't recorded, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is duplex, spelled D-U-P-L-E-X.

Definition

  1. 1
    Logement s’étendant sur deux niveaux à l’intérieur d’un bâtiment collectif.
  2. 2
    Liaison ou transmission qui fonctionne simultanément dans les deux sens avec un seul canal.
  3. 3
    Dispositif audiovisuel mettant en relation deux plateaux situés à des endroits différents, en télévision.
  4. 4
    Bâtiment composé de deux appartements indépendants juxtaposés ou superposés (« l'un au rez-de chaussée, l’autre à l’étage »).
  5. 5
    Tunnel autoroutier composé de deux niveaux de circulation superposés et unidirectionnels
  6. 6
    Rame de train constituée de voitures à deux niveaux.
  7. 7
    Problème d'échecs dans lequel il existe une solution avec les blancs qui commencent ainsi qu'une autre avec un début par les noirs.

Recorded use

Wiktionary examples

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

  1. On a trouvé un beau duplex, pas trop cher.
  2. nous habitons dans un petit duplex

This word in other languages

duplex(English)dúplex(Español)Maisonnette(Deutsch)

Common misspellings

Also misspelled as:

  • dduplex
  • dpulex
  • dulpex
  • dupelx
  • duplexx
  • dupllex
  • duplxe
  • dupplex
  • udplex

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of duplex - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

dduplex1dpulex2dulpex2dupelx2duplexx1dupllex1duplxe2dupplex1
Edit distance from "duplex"

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 "duplex"?
"duplex" is spelled D-U-P-L-E-X. The IPA pronunciation is \dy.plɛks\.
What does "duplex" mean?
As a noun, "duplex" means: Logement s’étendant sur deux niveaux à l’intérieur d’un bâtiment collectif.
What words are commonly confused with "duplex"?
"duplex" is commonly confused with "dupe", "dupes", "duper". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "duplex"?
The IPA (International Phonetic Alphabet) transcription for "duplex" is \dy.plɛks\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "duplex" come from?
"duplex" is a French 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 French words by spelling shape

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

Same letter count

Frequency-ranked French headwords with 6 letters (nearest by frequency rank).

décris#24,189césars#24,171courez#24,168config#24,162

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

Collard9 variantsGbagbo9 variantschiots9 variantsgitans9 variants

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

Source: FrequencyWords open word-frequency list