hub

/hʌb/

//hʌb// noun

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

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

The verdict

“hub” is a regularly-used English word, ranked #6,254 in English word frequency and used as a noun.

#6,254
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The central part, usually cylindrical, of a wheel; the nave.

Visual similarity to commonly confused words

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

hub vs hv
33% similar
hub vs huh
67% similar
hub vs hug
67% similar

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

Key facts for hub
PropertyValue
Headwordhub
LanguageEnglish
Part of speechNoun
IPA/hʌb/
Letters3
Frequency rank#6,254
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “hub” 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). hub 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 hub is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /hʌb/. Corpus data places it at rank #6,254 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 12 distinct senses for this headword, so context determines which meaning a reader should apply.

Our edit-distance generator produced no likely misspellings for hub, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "hv", "huh", "hug", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From earlier hubbe, which has the same immediate origin as hob. Hub was originally a dialectal word; its ultimate origin is unknown. Compare German Hubbel (“bump on a surface”), from Proto-West Germanic *hubil (“bump, hill”) (which contains a diminutive suf… The correct English form is hub, spelled H-U-B.

Definition

  1. 1
    The central part, usually cylindrical, of a wheel; the nave.
  2. 2
    A point where many routes meet and traffic is distributed, dispensed, or diverted.
  3. 3
    A central facility providing a range of related services, such as a medical hub or an educational hub.
  4. 4
    A computer networking device connecting several Ethernet ports. See switch.
  5. 5
    A stake with a nail in it, used to mark a temporary point.
  6. 6
    A male weasel; a buck; a dog; a jack.
  7. 7
    A rough protuberance or projecting obstruction.
  8. 8
    An area in a video game from which individual levels are accessed.
  9. 9
    A goal or mark at which quoits, etc., are thrown.
  10. 10
    A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc.
  11. 11
    A screw hob.
  12. 12
    A block for scotching a wheel.

Etymology

From earlier hubbe, which has the same immediate origin as hob. Hub was originally a dialectal word; its ultimate origin is unknown. Compare German Hubbel (“bump on a surface”), from Proto-West Germanic *hubil (“bump, hill”) (which contains a diminutive suffix *-il); compare English hive, or perhaps ultimately from the same root as hip or hop.

Synonyms

hub world

This word in other languages

buje(Español)moyeu(Français)Nabe(Deutsch)cruzamento(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 "hub"?
"hub" is spelled H-U-B. The IPA pronunciation is /hʌb/.
What does "hub" mean?
As a noun, "hub" means: The central part, usually cylindrical, of a wheel; the nave.
What words are commonly confused with "hub"?
"hub" is commonly confused with "hv", "huh", "hug". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "hub"?
The IPA (International Phonetic Alphabet) transcription for "hub" is /hʌb/. 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 "hub"?
From earlier hubbe, which has the same immediate origin as hob. Hub was originally a dialectal word; its ultimate origin is unknown. Compare German Hubbel (“bump on a surface”), from Proto-West Germanic *hubil (“bump, hill”) (which contains a dimi... 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 “hub”

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

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