bun

/bʌn/

//bʌn// noun

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

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

The verdict

“bun” is a moderately-common English word, ranked #13,674 in English word frequency and used as a noun.

#13,674
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Senses referring to baked goods.

Visual similarity to commonly confused words

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

bun vs by
33% similar
bun vs BW
0% similar
bun vs BX
0% similar

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

Key facts for bun
PropertyValue
Headwordbun
LanguageEnglish
Part of speechNoun
IPA/bʌn/
Letters3
Frequency rank#13,674
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “bun” 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). bun lands here:

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

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

Spelling & Dictionary Insight

The English entry for bun is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /bʌn/. Corpus data places it at rank #13,674 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 10 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for bun in our index, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "by", "BW", "BX", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English bunne (“wheat cake, bun”), from Anglo-Norman bugne (“bump on the head; fritter”), from Old French bugne (hence French beignet), from Frankish *bungjo (“little clump”), diminutive of *bungu (“lump, clump”), from Proto-Germanic *bungô, *bu… The correct English form is bun, spelled B-U-N.

Definition

  1. 1
    Senses referring to baked goods.
  2. 2
    Senses referring to baked goods.
  3. 3
    Senses referring to baked goods.
  4. 4
    Senses referring to baked goods.
  5. 5
    A roll of hair worn at the back of the head.
  6. 6
    A drunken spree.
  7. 7
    A newbie.
  8. 8
    A young girl or woman.
  9. 9
    A buttock.
  10. 10
    The vagina.

Etymology

From Middle English bunne (“wheat cake, bun”), from Anglo-Norman bugne (“bump on the head; fritter”), from Old French bugne (hence French beignet), from Frankish *bungjo (“little clump”), diminutive of *bungu (“lump, clump”), from Proto-Germanic *bungô, *bunkô (“clump, lump, heap, crowd”), from Proto-Indo-European *bʰenǵʰ- (“thick, dense, fat”). Cognate with Dutch bonk (“clump, clot, cluster of fruits”). More at bunch.

This word in other languages

bollo(Español)petit pain(Français)Brötchen(Deutsch)coque(Português)

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 "bun"?
"bun" is spelled B-U-N. The IPA pronunciation is /bʌn/.
What does "bun" mean?
As a noun, "bun" means: Senses referring to baked goods.
What words are commonly confused with "bun"?
"bun" is commonly confused with "by", "BW", "BX". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "bun"?
The IPA (International Phonetic Alphabet) transcription for "bun" is /bʌn/. 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 "bun"?
From Middle English bunne (“wheat cake, bun”), from Anglo-Norman bugne (“bump on the head; fritter”), from Old French bugne (hence French beignet), from Frankish *bungjo (“little clump”), diminutive of *bungu (“lump, clump”), from Proto-Germanic *... 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 “bun”

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

  • The one correct English spelling is B-U-N - every other letter order is a misspelling in standard orthography.
  • Say it as /bʌn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “by” - see the side-by-side comparison. bun vs by
  • 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list