infrastructure

/ˈɪnfɹəˌstɹʌkt͡ʃə/

//ˈɪnfɹəˌstɹʌkt͡ʃə// noun

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

"infrastructure" is a 14-letter English headword indexed on PlainSpell.

The verdict

“infrastructure” has 22 generated spelling variants in the English index at frequency #3,240. The variants make it a useful spelling check.

#3,240
frequency rank, English
2,140
“I” headwords
22
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An underlying base or foundation for a building, organization, or system.

Corpus desk

Index EN-infrastructure · infrastructure · English

infrastructure · rank #3,240 · 22 variants · 1 confusable

  • FREQ-COMMON #3,240
  • LEN-MEGA 14 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 22 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH increases

Nearest frequency peer: increases (-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.

Rank peers near misspelling magnet “infrastructure”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “infrastructure” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

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).

infrastructure vs infrastructural
87% similar

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

Key facts for infrastructure
PropertyValue
Headwordinfrastructure
LanguageEnglish
Part of speechNoun
IPA/ˈɪnfɹəˌstɹʌkt͡ʃə/
Letters14
Frequency rank#3,240
Misspellings tracked22
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “infrastructure”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).infrastructurelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “increases” (#3,239), “Jason” (#3,241), “hitting” (#3,238). Among 2,140 “I” headwords, “infrastructure” is #3,240. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 22 spelling variants around infrastructure (IPA /ˈɪnfɹəˌstɹʌkt͡ʃə/), anoun. Corpus frequency is #3,240 among 2,140 “I” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 22 likely wrong-spelling variants for infrastructure, with forms such as "ifnrastructure", "infarstructure", and "inffrastructure". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "infrastructural", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Borrowed from French infrastructure, equivalent to infra- + structure. The correct English form is infrastructure, spelled I-N-F-R-A-S-T-R-U-C-T-U-R-E.

Definition

  1. 1
    An underlying base or foundation for a building, organization, or system.
  2. 2
    The facilities, services and installations needed for the functioning of a community or society.

Recorded use

Wiktionary examples

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

  1. Near-synonyms: understructure, underpinnings, underbuilding, underframework
  2. The parasitic tyranny's infrastructure depends on secrecy in order to be effective.

Etymology

Borrowed from French infrastructure, equivalent to infra- + structure.

This word in other languages

infraestructura(Español)infrastructure(Français)Infrastruktur(Deutsch)infraestrutura(Português)

Common misspellings

Also misspelled as:

  • ifnrastructure
  • infarstructure
  • inffrastructure
  • infrasrtucture
  • infrasstructure
  • infrastrcuture
  • infrastrructure
  • infrastruccture
  • infrastructrue
  • infrastructture
  • infrastructuer
  • infrastructurre
  • infrastrucutre
  • infrastrutcure
  • infrasttructure
  • infrasturcture
  • infratsructure
  • infrrastructure
  • infrsatructure
  • innfrastructure
  • inrfastructure
  • nifrastructure

Misspelling Pattern Breakdown

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

ifnrastructure2infarstructure2inffrastructure1infrasrtucture2infrasstructure1infrastrcuture2infrastrructure1infrastruccture1
Edit distance from "infrastructure"

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 "infrastructure"?
"infrastructure" is spelled I-N-F-R-A-S-T-R-U-C-T-U-R-E. The IPA pronunciation is /ˈɪnfɹəˌstɹʌkt͡ʃə/.
What does "infrastructure" mean?
As a noun, "infrastructure" means: An underlying base or foundation for a building, organization, or system.
What words are commonly confused with "infrastructure"?
"infrastructure" is commonly confused with "infrastructural". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "infrastructure"?
The IPA (International Phonetic Alphabet) transcription for "infrastructure" is /ˈɪnfɹəˌstɹʌkt͡ʃə/. 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 "infrastructure"?
Borrowed from French infrastructure, equivalent to infra- + structure. 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 "infrastructure", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

administrative#3,274transportation#2,650representative#2,642communications#2,521

Similar misspelling depth

Headwords with a similar count of attested misspellings (22 here; floor ≥5).

representation22 variantsdiscrimination22 variantsimplementation22 variantsresponsibility22 variants

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

Source: FrequencyWords open word-frequency list