hub

/hʌb/

//hʌb// noun

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

The verdict

“hub” sits in 20 confusable pairs (corpus #6,254) as a noun. The look-alike neighbours are the real trap.

#6,254
frequency rank, English
2,646
“H” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The central part, usually cylindrical, of a wheel; the nave.

Corpus desk

Index EN-hub · hub · English

hub · rank #6,254 · 0 variants · 20 confusables

  • FREQ-COMMON #6,254
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH historically

Nearest frequency peer: historically (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbours of confusable “hub”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “hub” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

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)

Corpus rank beside confusables of “hub”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).hublands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “historically” (#6,253), “Hughes” (#6,255), “Harrison” (#6,252). Among 2,646 “H” headwords, “hub” is #6,254. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for hub is neighbouring look-alikes ("hv", "huh", …), not just typos; it is anoun pronounced /hʌb/. Frequency #6,254 among 2,646 “H” headwords. 12 recorded senses keep meaning in play.

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.

Recorded use

Wiktionary examples

These source excerpts show how hub appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. If you need to reload film, the cassette can be rewound slightly by turning the hub located on one end of its spool.
  2. Hong Kong International Airport is one of the most important air traffic hubs in Asia.

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

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

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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "hub", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list