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stack

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

5 characters

Language

English

word origin

Source

Wiktionary

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Detailed reference entry for the English word "stack", 5-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "stack" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "stack" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

stack is aEnglishnoun. It means: A pile. Pronounced /stæk/. It ranks #6,626 in English word frequency. Often confused with stay and star.

Key facts for stack
PropertyValue
Headwordstack
LanguageEnglish
Part of speechNoun
IPA/stæk/
Letters5
Frequency rank#6,626
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of stack in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for stack is 5 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /stæk/. Corpus data places it at rank #6,626 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 22 distinct senses for this headword, so context determines which meaning a reader should apply.

Our Hunspell-derived misspelling index lists 8 documented wrong-spelling variants for stack, with forms such as "satck", "sstack", and "stacck". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 20 confusable-pair relationships, "stay", "star", "suck", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English stack, stacke, stakke, stak, from Old Norse stakkr (“a barn; haystack; heap; pile”), from Proto-Germanic *stakkaz (“a barn; rick; haystack”). The data structure sense is a calque of Dutch stapel, introduced by Edsger W. Dijkstra. Cognate… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is stack, spelled S-T-A-C-K, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    A pile.
  2. 2
    A pile.
  3. 3
    A pile.
  4. 4
    A pile.
  5. 5
    A pile.
  6. 6
    A smokestack.
  7. 7
    In computing.
  8. 8
    In computing.
  9. 9
    In computing.
  10. 10
    In computing.
  11. 11
    A generalization of schemes in algebraic geometry and of sheaves.
  12. 12
    A coastal landform, consisting of a large vertical column of rock in the sea.
  13. 13
    Compactly spaced bookshelves used to house large collections of books.
  14. 14
    A large amount of an object.
  15. 15
    A pile of rifles or muskets in a cone shape.
  16. 16
    The amount of money a player has on the table.
  17. 17
    In architecture.
  18. 18
    In architecture.
  19. 19
    A fall or crash, a prang.
  20. 20
    A blend of various dietary supplements or anabolic steroids with supposed synergistic benefits.
  21. 21
    A holding pattern, with aircraft circling one above the other as they wait to land.
  22. 22
    The quantity of a given item which fills up an inventory slot or bag.

Etymology

From Middle English stack, stacke, stakke, stak, from Old Norse stakkr (“a barn; haystack; heap; pile”), from Proto-Germanic *stakkaz (“a barn; rick; haystack”). The data structure sense is a calque of Dutch stapel, introduced by Edsger W. Dijkstra. Cognate with Icelandic stakkur (“stack”), Swedish stack (“stack”), Danish stak (“stack”), Norwegian stakk (“stack”). Related to stake and sauna.

This word in other languages

Common misspellings

Also misspelled as: satck,sstack,stacck,stackk,stakc,stcak,sttack,tsack

Misspelling Pattern Breakdown

Relative frequency of common misspelling types for stack

Misspelling Variants of "stack"

satck5sstack6stacck6stackk6stakc5stcak5sttack6tsack5
Misspelling Variants of "stack"

Frequency rank: #6,626 in English

Frequently Asked Questions

How do you spell "stack"?
"stack" is spelled S-T-A-C-K. The IPA pronunciation is /stæk/.
What does "stack" mean?
As a noun, "stack" means: A pile.
What words are commonly confused with "stack"?
"stack" is commonly confused with "stay", "star", "suck". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "stack"?
The IPA (International Phonetic Alphabet) transcription for "stack" is /stæk/. 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 "stack"?
From Middle English stack, stacke, stakke, stak, from Old Norse stakkr (“a barn; haystack; heap; pile”), from Proto-Germanic *stakkaz (“a barn; rick; haystack”). The data structure sense is a calque of Dutch stapel, introduced by Edsger W. Dijkstr... 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.

Nearby English words

Other entries that begin with the letter S in our English index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.