duplication

/djuː.plɪˈkeɪ.ʃən/

//djuː.plɪˈkeɪ.ʃən// noun

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

"duplication" is a 11-letter English headword indexed on PlainSpell.

The verdict

“duplication” has 17 generated spelling variants in the English index at frequency #23,518. The variants make it a useful spelling check.

#23,518
frequency rank, English
3,470
“D” headwords
17
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of duplicating.

Corpus desk

Index EN-duplication · duplication · English

duplication · rank #23,518 · 17 variants · 0 confusables

  • FREQ-MID #23,518
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 17 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH dum

Nearest frequency peer: dum (-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 “duplication”

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

corpus weight

What this shows “duplication” 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
Key facts for duplication
PropertyValue
Headwordduplication
LanguageEnglish
Part of speechNoun
IPA/djuː.plɪˈkeɪ.ʃən/
Letters11
Frequency rank#23,518
Misspellings tracked17
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “duplication”

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).duplicationlands 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 “dum” (#23,517), “dynamo” (#23,519), “downloadable” (#23,516). Among 3,470 “D” headwords, “duplication” is #23,518. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 17 spelling variants around duplication (IPA /djuː.plɪˈkeɪ.ʃən/), anoun. Corpus frequency is #23,518 among 3,470 “D” headwords. Wiktionary lists 6 senses, so context still picks the gloss.

Our generated misspelling index lists 17 likely wrong-spelling variants for duplication, with forms such as "dduplication", "dpulication", and "dulpication". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Middle English duplicacioun, from Middle French duplication, from Late Latin duplicātiō, duplicātiōnem, from Latin duplicō. Morphologically duplicate + -ion. The correct English form is duplication, spelled D-U-P-L-I-C-A-T-I-O-N.

Definition

  1. 1
    The act of duplicating.
  2. 2
    A duplicate.
  3. 3
    A folding over; a fold.
  4. 4
    The act or process of dividing by natural growth or spontaneous action.
  5. 5
    The act of copying a nucleotide sequence from one chromosome to another.
  6. 6
    A nucleotide sequence copied through such a process.

Recorded use

Wiktionary examples

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

  1. Another argument for closing Woodhead was simply one of route duplication, and this was the main reason put forward by BR at the time.
  2. Counting crimes as given in the index to the Penal Code, their number is nearly twice as great as that stated, but as some are only duplications I have reduced my estimate that it may be well within the limits of the fact.

Etymology

From Middle English duplicacioun, from Middle French duplication, from Late Latin duplicātiō, duplicātiōnem, from Latin duplicō. Morphologically duplicate + -ion.

Synonyms

doublingduplationduplicationtwicing

Antonyms

bisection

This word in other languages

duplicación(Español)duplication(Français)Duplikation(Deutsch)duplicação(Português)

Common misspellings

Also misspelled as:

  • dduplication
  • dpulication
  • dulpication
  • dupilcation
  • duplciation
  • dupliaction
  • duplicaiton
  • duplicasion
  • duplicatino
  • duplicationn
  • duplicatoin
  • duplicattion
  • dupliccation
  • duplictaion
  • dupllication
  • dupplication
  • udplication

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of duplication - 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.

dduplication1dpulication2dulpication2dupilcation2duplciation2dupliaction2duplicaiton2duplicasion1
Edit distance from "duplication"

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 "duplication"?
"duplication" is spelled D-U-P-L-I-C-A-T-I-O-N. The IPA pronunciation is /djuː.plɪˈkeɪ.ʃən/.
What does "duplication" mean?
As a noun, "duplication" means: The act of duplicating.
What are common misspellings of "duplication"?
Common misspellings include "dduplication", "dpulication", "dulpication", "dupilcation", "duplciation". The correct spelling is "duplication".
How do you pronounce "duplication"?
The IPA (International Phonetic Alphabet) transcription for "duplication" is /djuː.plɪˈkeɪ.ʃən/. 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 "duplication"?
From Middle English duplicacioun, from Middle French duplication, from Late Latin duplicātiō, duplicātiōnem, from Latin duplicō. Morphologically duplicate + -ion. 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 "duplication", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

deformation#23,510bloodstream#23,476Westchester#23,434motherboard#23,604

Similar misspelling depth

Headwords with a similar count of attested misspellings (17 here; floor ≥5).

invitational17 variantsphotoshopped17 variantsrudimentary17 variantssingularity17 variants

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

Source: FrequencyWords open word-frequency list