dun
/dʌn/
"dun" is a 3-letter English headword indexed on PlainSpell.
The verdict
“dun” is a moderately-common English word, ranked #18,810 in English word frequency and used as a noun.
- #18,810
- frequency rank, English
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A brownish grey colour.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | dun |
| Language | English |
| Part of speech | Noun |
| IPA | /dʌn/ |
| Letters | 3 |
| Frequency rank | #18,810 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “dun” sits in English frequency
Spelling & Dictionary Insight
The English entry for dun is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /dʌn/. Corpus data places it at rank #18,810 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A brownish grey colour.".
The misspelling generator found no plausible variants for dun, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "dw", "Dx", "DV", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: From Middle English dun, donn, dunne, from Old English dunn (“dun, dingy brown, bark-colored, brownish black”), from Proto-West Germanic *duʀn, from Proto-Germanic *duznaz, *dusnaz (“brown, yellow”), from Proto-Indo-European *dʰewh₂- (“to smoke, raise dust”… The correct English form is dun, spelled D-U-N.
Definition
- 1A brownish grey colour.
Etymology
From Middle English dun, donn, dunne, from Old English dunn (“dun, dingy brown, bark-colored, brownish black”), from Proto-West Germanic *duʀn, from Proto-Germanic *duznaz, *dusnaz (“brown, yellow”), from Proto-Indo-European *dʰewh₂- (“to smoke, raise dust”). Cognate with Old Saxon dun (“brown, dark”), Old High German tusin (“ash-gray, dull brown, pale yellow, dark”), Old Norse dunna (“female mallard; duck”). Alternative etymology derives the Old English word from Brythonic (compare Middle Welsh dwnn (“dark (red)”)), from Proto-Celtic *dusnos (compare Old Irish donn and Scottish Gaelic donn (“brown”)), from Proto-Indo-European *dʰews- (compare Old Saxon dosan (“chestnut brown”)). More at dusk.
This word in other languages
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
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Using “dun”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-U-N - every other letter order is a misspelling in standard orthography.
- Say it as /dʌn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “dw” - see the side-by-side comparison. dun vs dw
- Browse more English words and confusable pairs in the same reference. English 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.