rack

/ɹæk/

//ɹæk// noun

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

The verdict

“rack” is a regularly-used English word, ranked #8,336 in English word frequency and used as a noun.

#8,336
frequency rank, English
4
letters
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A series of one or more shelves, stacked one above the other.

Visual similarity to commonly confused words

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

rack vs RC
0% similar
rack vs ran
50% similar
rack vs ray
50% similar

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

Key facts for rack
PropertyValue
Headwordrack
LanguageEnglish
Part of speechNoun
IPA/ɹæk/
Letters4
Frequency rank#8,336
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “rack” 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). rack 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 rack is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɹæk/. Corpus data places it at rank #8,336 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 21 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for rack, with forms such as "arck", "racck", and "rackk". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "RC", "ran", "ray", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English rakke, rekke, from Middle Dutch rac, recke, rec (Dutch rek), see rekken. The correct English form is rack, spelled R-A-C-K.

Definition

  1. 1
    A series of one or more shelves, stacked one above the other.
  2. 2
    Any of various kinds of frame for holding luggage or other objects on a vehicle or vessel.
  3. 3
    A device, incorporating a ratchet, used to torture victims by stretching them beyond their natural limits.
  4. 4
    A piece or frame of wood, having several sheaves, through which the running rigging passes.
  5. 5
    A bunk.
  6. 6
    Sleep.
  7. 7
    A distaff.
  8. 8
    A bar with teeth on its face or edge, to work with those of a gearwheel, pinion, or worm, which is to drive or be driven by it.
  9. 9
    A bar with teeth on its face or edge, to work with a pawl as a ratchet allowing movement in one direction only, used for example in a handbrake or crossbow.
  10. 10
    A cranequin, a mechanism including a rack, pinion and pawl, providing both mechanical advantage and a ratchet, used to bend and cock a crossbow.
  11. 11
    A set of antlers (as on deer, moose or elk).
  12. 12
    A cut of meat involving several adjacent ribs.
  13. 13
    A bone of a horse.
  14. 14
    A hollow triangle used for aligning the balls at the start of a game.
  15. 15
    A plastic tray used for holding and moving chips.
  16. 16
    A woman's breasts.
  17. 17
    A friction device for abseiling, consisting of a frame with five or more metal bars, around which the rope is threaded.
  18. 18
    A climber's set of equipment for setting up protection and belays, consisting of runners, slings, carabiners, nuts, Friends, etc.
  19. 19
    A grate on which bacon is laid.
  20. 20
    A set with a distributive binary operation whose action on the set is invertible.
  21. 21
    A thousand dollars, especially if the proceeds are from a crime.

Etymology

From Middle English rakke, rekke, from Middle Dutch rac, recke, rec (Dutch rek), see rekken.

This word in other languages

Common misspellings

Also misspelled as: arck,racck,rackk,rakc,rcak,rrack

Misspelling Pattern Breakdown

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

arck2racck1rackk1rakc2rcak2rrack1
Edit distance from "rack"

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 "rack"?
"rack" is spelled R-A-C-K. The IPA pronunciation is /ɹæk/.
What does "rack" mean?
As a noun, "rack" means: A series of one or more shelves, stacked one above the other.
What words are commonly confused with "rack"?
"rack" is commonly confused with "RC", "ran", "ray". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "rack"?
The IPA (International Phonetic Alphabet) transcription for "rack" is /ɹæk/. 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 "rack"?
From Middle English rakke, rekke, from Middle Dutch rac, recke, rec (Dutch rek), see rekken. 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 “rack”

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

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