Duncan

/ˈdʌŋkən/

//ˈdʌŋkən// name

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

"duncan" is a 6-letter English headword indexed on PlainSpell.

The verdict

“Duncan” has 9 generated spelling variants in the English index at frequency #6,897. The variants make it a useful spelling check.

#6,897
frequency rank, English
26,416
“D” headwords
9
tracked misspellings
12
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A male given name from Scottish Gaelic anglicized from Scottish Gaelic Donnchadh; the name of two early saints and of two kings of Scotland.

Visual similarity to commonly confused words

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

Duncan vs Dunn
67% similar
Duncan vs Duran
67% similar
Duncan vs Dunham
67% similar

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

Key facts for Duncan
PropertyValue
HeadwordDuncan
LanguageEnglish
Part of speechProper noun
IPA/ˈdʌŋkən/
Letters6
Frequency rank#6,897
Misspellings tracked9
Confusable pairs12
SourceWiktionary (kaikki.org)

Where “Duncan” sits in English 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). Duncan lands here:

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

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

A misspelling magnet

The generator records 9 spelling variants around Duncan (IPA /ˈdʌŋkən/), aproper noun. Corpus frequency is #6,897 among 26,416 “D” headwords. Wiktionary lists 24 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for Duncan, with forms such as "dduncan", "dnucan", and "ducnan". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 12 confusable-pair relationships, "Dunn", "Duran", "Dunham", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: * As a Scottish Gaelic and Irish surname, from Donnchadh, a name composed of donn (“brown”) + cath (“battle”). Also spelled as Donagh and Donaghue, Donahue. * Also as an Irish surname, Anglicized from Ó Duinnchinn, from donn (“brown”) + ceann (“head”). The correct English form is Duncan, spelled D-U-N-C-A-N.

Definition

  1. 1
    A male given name from Scottish Gaelic anglicized from Scottish Gaelic Donnchadh; the name of two early saints and of two kings of Scotland.
  2. 2
    A Scottish surname originating as a patronymic.
  3. 3
    A surname from Irish, a variant of Dinkin.
  4. 4
    An Irish surname, a variant of Donegan.
  5. 5
    An Irish surname, a variant of Dunican.
  6. 6
    An Irish surname, adopted as an anglicization of Ó Donnchadha (whence Donoghue).
  7. 7
    A locality in Kangaroo Island council area, South Australia; named for politician John Duncan.
  8. 8
    A city in the Regional District of Cowichan Valley, British Columbia, Canada; named for early settler William Chalmers Duncan.
  9. 9
    A locale in the United States:
  10. 10
    A locale in the United States:
  11. 11
    A locale in the United States:
  12. 12
    A locale in the United States:
  13. 13
    A locale in the United States:
  14. 14
    A locale in the United States:
  15. 15
    A locale in the United States:
  16. 16
    A locale in the United States:
  17. 17
    A locale in the United States:
  18. 18
    A locale in the United States:
  19. 19
    A locale in the United States:
  20. 20
    A locale in the United States:
  21. 21
    A locale in the United States:
  22. 22
    A locale in the United States:
  23. 23
    A river in British Columbia, Canada; running 206 km near Mount Dawson into the Kootenay Lake; named for prospector John Duncan.
  24. 24
    A short river in the Southern Alps, West Coast Region, New Zealand.

Etymology

* As a Scottish Gaelic and Irish surname, from Donnchadh, a name composed of donn (“brown”) + cath (“battle”). Also spelled as Donagh and Donaghue, Donahue. * Also as an Irish surname, Anglicized from Ó Duinnchinn, from donn (“brown”) + ceann (“head”).

Common misspellings

Also misspelled as:

  • dduncan
  • dnucan
  • ducnan
  • dunacn
  • duncann
  • dunccan
  • duncna
  • dunncan
  • udncan

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Duncan - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

dduncan1dnucan2ducnan2dunacn2duncann1dunccan1duncna2dunncan1
Edit distance from "Duncan"

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 "Duncan"?
"Duncan" is spelled D-U-N-C-A-N. The IPA pronunciation is /ˈdʌŋkən/.
What does "Duncan" mean?
As a proper noun, "Duncan" means: A male given name from Scottish Gaelic anglicized from Scottish Gaelic Donnchadh; the name of two early saints and of two kings of Scotland.
What words are commonly confused with "Duncan"?
"Duncan" is commonly confused with "Dunn", "Duran", "Dunham". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Duncan"?
The IPA (International Phonetic Alphabet) transcription for "Duncan" is /ˈdʌŋkən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Duncan"?
* As a Scottish Gaelic and Irish surname, from Donnchadh, a name composed of donn (“brown”) + cath (“battle”). Also spelled as Donagh and Donaghue, Donahue. * Also as an Irish surname, Anglicized from Ó Duinnchinn, from donn (“brown”) + ceann (“he... 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.

Using “Duncan”

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

  • The one correct English spelling is D-U-N-C-A-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈdʌŋkən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Dunn” - see the side-by-side comparison. Duncan vs Dunn
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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