struct

noun

"struct" is a 6-letter English headword indexed on PlainSpell.

The verdict

“struct” is uncommon English (frequency #52,024 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#52,024
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A data structure, especially one that serves to group a number of fields (in contrast to an object-oriented class with methods) or one that is passed by value rather than by reference.

Corpus desk

Index EN-struct · struct · English

struct · rank #52,024 · 0 variants · 0 confusables

  • FREQ-RARE #52,024
  • LEN-LONG 6 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH stringy

Nearest frequency peer: stringy (-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.

Long-tail ranks near “struct”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “struct” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for struct
PropertyValue
Headwordstruct
LanguageEnglish
Part of speechNoun
Letters6
Frequency rank#52,024
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “struct” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).structfalls in this rarity band:

#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. Rare peers in the same band: “stringy” (#52,023), “Strabo” (#52,022), “stealer” (#52,021). Among 6,566 “S” headwords, “struct” is #52,024. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

struct is uncommon English at frequency #52,024 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A data structure, especially one that serves to group a number of fields (in contrast to an object-oriented class with methods) or one that is passed by value rather than by reference.".

We couldn't generate a plausible misspelling set for struct, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Abbreviation of structure, used as a keyword in the C programming language and its descendants. The correct English form is struct, spelled S-T-R-U-C-T.

Definition

  1. 1
    A data structure, especially one that serves to group a number of fields (in contrast to an object-oriented class with methods) or one that is passed by value rather than by reference.

Recorded use

Wiktionary examples

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

  1. Note that because structs are value types, the new operator does not work in the same way as it does for classes and other reference types.
  2. Like most object-oriented languages, including Objective-C, Swift supports two basic object-oriented data structures: classes and structs.

Etymology

Abbreviation of structure, used as a keyword in the C programming language and its descendants.

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 "struct"?
"struct" is spelled S-T-R-U-C-T.
What does "struct" mean?
As a noun, "struct" means: A data structure, especially one that serves to group a number of fields (in contrast to an object-oriented class with methods) or one that is passed by value rather than by reference.
What is the origin of the word "struct"?
Abbreviation of structure, used as a keyword in the C programming language and its descendants. 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 "struct", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list