doublet

/ˈdʌblət/

//ˈdʌblət// noun

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

"doublet" is a 7-letter English headword indexed on PlainSpell.

The verdict

“doublet” is uncommon English (frequency #65,066 among 3,470 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#65,066
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A pair of two similar or equal things; couple.

Corpus desk

Index EN-doublet · doublet · English

doublet · rank #65,066 · 0 variants · 0 confusables

  • FREQ-RARE #65,066
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH dosa

Nearest frequency peer: dosa (-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 “doublet”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for doublet
PropertyValue
Headworddoublet
LanguageEnglish
Part of speechNoun
IPA/ˈdʌblət/
Letters7
Frequency rank#65,066
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “doublet” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).doubletfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “dosa” (#65,065), “Dorking” (#65,064), “Donn” (#65,063). Among 3,470 “D” headwords, “doublet” is #65,066. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

doublet is uncommon English at frequency #65,066 among 3,470 “D” headwords, classed as anoun, transcribed /ˈdʌblət/. Rarity is why readers land here mid-draft. 14 senses are on record.

doublet doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Middle English doublet, a borrowing from Old French doublet, from double, duble, doble + -et. The correct English form is doublet, spelled D-O-U-B-L-E-T.

Definition

  1. 1
    A pair of two similar or equal things; couple.
  2. 2
    One of two or more different words in a language derived from the same etymological root but having different phonological forms (e.g., toucher and toquer in French or shade and shadow in English). See also Appendix:Glossary#doublet.
  3. 3
    In textual criticism, two different narrative accounts of the same actual event.
  4. 4
    An imitation gem made of two pieces of glass or crystal with a layer of color between them.
  5. 5
    A word or phrase set a second time by mistake.
  6. 6
    A quantum state of a system with a spin of ½, such that there are two allowed values of the spin component, −½ and +½.
  7. 7
    A word (or rather, a halfword) consisting of two bytes.
  8. 8
    A very small flowering plant, Dimeresia howellii.
  9. 9
    A word ladder puzzle.
  10. 10
    An arrangement of two lenses for a microscope, designed to correct spherical aberration and chromatic dispersion, thus rendering the image of an object more clear and distinct.
  11. 11
    Either of two dice, each of which, when thrown, has the same number of spots on the face lying uppermost.
  12. 12
    A game somewhat like backgammon.
  13. 13
    Dipole antenna.
  14. 14
    A man’s waistcoat.

Recorded use

Wiktionary examples

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

  1. The doublet generally used is that invented by Dr. Wollaston, and consists of two plano-convex lenses placed with their convex sides towards the eye […]
  2. to throw doublets

Etymology

From Middle English doublet, a borrowing from Old French doublet, from double, duble, doble + -et.

Synonyms

duetdyadduo

This word in other languages

pareja(Español)doublon(Français)Dublette(Deutsch)par(Português)

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 "doublet"?
"doublet" is spelled D-O-U-B-L-E-T. The IPA pronunciation is /ˈdʌblət/.
What does "doublet" mean?
As a noun, "doublet" means: A pair of two similar or equal things; couple.
How do you pronounce "doublet"?
The IPA (International Phonetic Alphabet) transcription for "doublet" is /ˈdʌblət/. 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 "doublet"?
From Middle English doublet, a borrowing from Old French doublet, from double, duble, doble + -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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "doublet", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Dorking#65,064dogfish#65,061demesne#65,047entreat#65,090

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

Source: FrequencyWords open word-frequency list