quadruplet

/kwɒˈdɹʌplət/

//kwɒˈdɹʌplət// noun

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

The verdict

“quadruplet” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A set of four, particularly

Corpus desk

Index EN-quadruplet · quadruplet · English

quadruplet · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "Q" thin
  • PHOTO-UNK Peer pending

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.

Key facts for quadruplet
PropertyValue
Headwordquadruplet
LanguageEnglish
Part of speechNoun
IPA/kwɒˈdɹʌplət/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “quadruplet” sits in English frequency

quadrupletranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

quadruplet is uncommon English outside the top frequency list, classed as anoun, transcribed /kwɒˈdɹʌplət/. Rarity is why readers land here mid-draft. 4 senses are on record.

quadruplet has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From quadruple + -et. The correct English form is quadruplet, spelled Q-U-A-D-R-U-P-L-E-T.

Definition

  1. 1
    A set of four, particularly
  2. 2
    A set of four, particularly
  3. 3
    One of a group of four, particularly one of four babies born from the same mother during the same birth.
  4. 4
    A cycle for carrying four riders, arranged so that all the riders can assist in the propulsion.

Etymology

From quadruple + -et.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "quadruplet"?
"quadruplet" is spelled Q-U-A-D-R-U-P-L-E-T. The IPA pronunciation is /kwɒˈdɹʌplət/.
What does "quadruplet" mean?
As a noun, "quadruplet" means: A set of four, particularly
How do you pronounce "quadruplet"?
The IPA (International Phonetic Alphabet) transcription for "quadruplet" is /kwɒˈdɹʌplət/. 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 "quadruplet"?
From quadruple + -et. 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.

What to do next

You've looked up "quadruplet". Here's where to go from here.

  • Browse more English words in the "Q" letter cohort. Q–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list