redundancy

/ɹɪˈdʌnd(ə)nsi/

//ɹɪˈdʌnd(ə)nsi// noun

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

"redundancy" is a 10-letter English headword indexed on PlainSpell.

The verdict

“redundancy” has 16 generated spelling variants in the English index at frequency #19,184. The variants make it a useful spelling check.

#19,184
frequency rank, English
3,094
“R” headwords
16
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being redundant.

Corpus desk

Index EN-redundancy · redundancy · English

redundancy · rank #19,184 · 16 variants · 1 confusable

  • FREQ-MID #19,184
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH receptive

Nearest frequency peer: receptive (-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 “redundancy”

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

corpus weight

What this shows “redundancy” 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).

redundancy vs redundant
80% similar

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

Key facts for redundancy
PropertyValue
Headwordredundancy
LanguageEnglish
Part of speechNoun
IPA/ɹɪˈdʌnd(ə)nsi/
Letters10
Frequency rank#19,184
Misspellings tracked16
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “redundancy”

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).redundancylands 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 “receptive” (#19,183), “reelection” (#19,185), “quid” (#19,182). Among 3,094 “R” headwords, “redundancy” is #19,184. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around redundancy (IPA /ɹɪˈdʌnd(ə)nsi/), anoun. Corpus frequency is #19,184 among 3,094 “R” headwords. Wiktionary lists 6 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for redundancy, with forms such as "erdundancy", "rdeundancy", and "reddundancy". 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, "redundant", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From redundant + -cy. The correct English form is redundancy, spelled R-E-D-U-N-D-A-N-C-Y.

Definition

  1. 1
    The state of being redundant.
  2. 2
    A superfluity; something redundant or excessive; a needless repetition in language.
  3. 3
    A duplication of components or circuits to provide survival of the total system in case of failure of single components.
  4. 4
    Duplication of parts of a message to guard against transmission errors.
  5. 5
    The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff.
  6. 6
    surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains.

Recorded use

Wiktionary examples

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

  1. […] the fulneſs of the creature is limited, it ariſeth juſt to ſuch a degree and proportion, but Gods fulneſs is infinite, as it hath its Reſplendency, ſo its Redundancy, it knows neither bounds nor bottom.
  2. 2006, Lauren Bean, Richard E. Friedman, Chapter 5: School Safety in the Twenty First Century: Adapting to New Security Challenges Post-9/11, James J. F. Forest (editor), Homeland Security: Protecting America′s Targets, Volume 2: Public Spaces and Social Institutions, page 108, Staff redundancy is needed in the event that a supervisor and key unit supervis…

Etymology

From redundant + -cy.

Synonyms

redundancepro-chrono continuumsuperfluitysuperfluousnessdead woodsuperfluitybackupretirementsacking

Antonyms

non-redundancyemploymenthiring

This word in other languages

redundancia(Español)redondance(Français)Redundanz(Deutsch)repetição(Português)

Common misspellings

Also misspelled as:

  • erdundancy
  • rdeundancy
  • reddundancy
  • rednudancy
  • redudnancy
  • redunadncy
  • redundacny
  • redundanccy
  • redundancyy
  • redundanncy
  • redundanyc
  • redunddancy
  • redundnacy
  • redunndancy
  • reudndancy
  • rredundancy

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of redundancy - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

erdundancy2rdeundancy2reddundancy1rednudancy2redudnancy2redunadncy2redundacny2redundanccy1
Edit distance from "redundancy"

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 "redundancy"?
"redundancy" is spelled R-E-D-U-N-D-A-N-C-Y. The IPA pronunciation is /ɹɪˈdʌnd(ə)nsi/.
What does "redundancy" mean?
As a noun, "redundancy" means: The state of being redundant.
What words are commonly confused with "redundancy"?
"redundancy" is commonly confused with "redundant". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "redundancy"?
The IPA (International Phonetic Alphabet) transcription for "redundancy" is /ɹɪˈdʌnd(ə)nsi/. 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 "redundancy"?
From redundant + -cy. 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 "redundancy", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

reelection#19,185psychopath#19,179rendezvous#19,189reversible#19,191

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

simplistic16 variantstreacherous16 variantscategorized16 variantscontentious16 variants

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

Source: FrequencyWords open word-frequency list