EPUB

name

"epub" is a 4-letter English headword indexed on PlainSpell.

The verdict

“EPUB” has 5 generated spelling variants in the English index at frequency #49,318. The variants make it a useful spelling check.

#49,318
frequency rank, English
18,836
“E” headwords
5
tracked misspellings
12
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An e-book standard and file format based on HTML and designed to work across different devices and platforms, now governed by the W3C.

Visual similarity to commonly confused words

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

EPUB vs EU
50% similar
EPUB vs EP
50% similar
EPUB vs EPA
50% similar

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

Key facts for EPUB
PropertyValue
HeadwordEPUB
LanguageEnglish
Part of speechProper noun
Letters4
Frequency rank#49,318
Misspellings tracked5
Confusable pairs12
SourceWiktionary (kaikki.org)

Where “EPUB” 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). EPUB 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 5 spelling variants around EPUB, aproper noun. Corpus frequency is #49,318 among 18,836 “E” headwords. Dominant gloss: "An e-book standard and file format based on HTML and designed to work across different devices and platforms, now governed by the W3C.".

Our generated misspelling index lists 5 likely wrong-spelling variants for EPUB, with forms such as "epbu", "eppub", and "epubb". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 12 confusable-pair relationships, "EU", "EP", "EPA", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Clipping of electronic publication. The correct English form is EPUB, spelled E-P-U-B.

Definition

  1. 1
    An e-book standard and file format based on HTML and designed to work across different devices and platforms, now governed by the W3C.

Etymology

Clipping of electronic publication.

Common misspellings

Also misspelled as:

  • epbu
  • eppub
  • epubb
  • eupb
  • peub

Misspelling Pattern Breakdown

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

epbu2eppub1epubb1eupb2peub2
Edit distance from "EPUB"

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 "EPUB"?
"EPUB" is spelled E-P-U-B.
What does "EPUB" mean?
As a proper noun, "EPUB" means: An e-book standard and file format based on HTML and designed to work across different devices and platforms, now governed by the W3C.
What words are commonly confused with "EPUB"?
"EPUB" is commonly confused with "EU", "EP", "EPA". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "EPUB"?
Clipping of electronic publication. 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 “EPUB”

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

  • The one correct English spelling is E-P-U-B - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “EU” - see the side-by-side comparison. EPUB vs EU
  • 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 FrequencyWords open word-frequency list