duc

noun

"duc" is a 3-letter English headword indexed on PlainSpell.

The verdict

“duc” sits in 20 confusable pairs (corpus #36,966) as a noun. The look-alike neighbours are the real trap.

#36,966
frequency rank, English
3,470
“D” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A French duke.

Corpus desk

Index EN-duc · duc · English

duc · rank #36,966 · 0 variants · 20 confusables

  • FREQ-MID #36,966
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH dressage

Nearest frequency peer: dressage (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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 “duc”

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

corpus weight

What this shows Bars place “duc” against nearest ranked English 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).

duc vs dw
33% similar
duc vs Dx
0% similar
duc vs DV
0% similar

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

Key facts for duc
PropertyValue
Headwordduc
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#36,966
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “duc”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).duclands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “dressage” (#36,965), “dramatist” (#36,964), “dunks” (#36,968). Among 3,470 “D” headwords, “duc” is #36,966. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for duc is neighbouring look-alikes ("dw", "Dx", …), not just typos; it is anoun. Frequency #36,966 among 3,470 “D” headwords. Gloss: "A French duke.".

We couldn't generate a plausible misspelling set for duc, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "dw", "Dx", "DV", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From French duc. Doublet of doge, duce, duke, and dux. The correct English form is duc, spelled D-U-C.

Definition

  1. 1
    A French duke.

Recorded use

Wiktionary examples

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

  1. The ambition of modern ducs and duchesses is not to appear as heroes and heroines of historic renown, but to represent gods and goddesses and fairies, buds and blossoms from the garden, starry constellations from the celestial world.
  2. Ary Scheffer, the drawing-master of the young Orleans princesses, offered to go with Thiers and procure him an audience of the duc or duchesse, or Madame Adélaïde.

Etymology

From French duc. Doublet of doge, duce, duke, and dux.

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "duc"?
"duc" is spelled D-U-C.
What does "duc" mean?
As a noun, "duc" means: A French duke.
What words are commonly confused with "duc"?
"duc" is commonly confused with "dw", "Dx", "DV". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "duc"?
From French duc. Doublet of doge, duce, duke, and dux. See the full etymology section above for more details.
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 English words by spelling shape

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

Same letter count

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

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

Source: FrequencyWords open word-frequency list