dudevsdunTell them apart

Which to use

“dude” and “dun” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,630
“dude” frequency rank
#18,810
“dun” frequency rank
20440
confusion score

Side-by-Side Comparison

Feature dude dun
Definition A man, generally a younger man. A brownish grey colour.

Where the eye mixes dude and dun

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
dude
3 ch
dun

Visual trap between dude and dun

A purely visual mix-up. dude (/duːd/) and dun (/dʌn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20440, derived from the frequency rank of both members and their visual similarity.

dude is recorded at frequency rank #1,630, classified as anoun, pronounced /duːd/. dun is at rank #18,810, tagged as anoun, pronounced /dʌn/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 20440, this pair ranks #431,074 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dude vs dun

Shared letters: du. Private to "dude": e. Private to "dun": n.

"dude" · 4 letters · shape CVCV  ·  "dun" · 3 letters · shape CVC

Known mistypes of this pair

  • dudeddude · ddue · dudde · dued · udde

Frequently Asked Questions

Do "dude" and "dun" mean the same thing in a sentence?
No. They are said differently (/duːd/ versus /dʌn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "dude" vs "dun" - which ranks higher?
"dude" is the more common of the two: it sits at frequency rank #1,630 in our English list, against #18,810 for "dun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dude" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #431,074 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dude" and "dun" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dun". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #431,074 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list