diploid

/ˈdɪploiːʔ/

//ˈdɪploiːʔ// adj

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

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

The verdict

“diploid” is uncommon English (frequency #55,389 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#55,389
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.

Corpus desk

Index EN-diploid · diploid · English

diploid · rank #55,389 · 0 variants · 0 confusables

  • FREQ-RARE #55,389
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH disenchantment

Nearest frequency peer: disenchantment (+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 “diploid”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for diploid
PropertyValue
Headworddiploid
LanguageEnglish
Part of speechAdjective
IPA/ˈdɪploiːʔ/
Letters7
Frequency rank#55,389
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “diploid” 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).diploidfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “disenchantment” (#55,390), “Diggle” (#55,387), “disfigurement” (#55,391). Among 3,470 “D” headwords, “diploid” is #55,389. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

diploid is uncommon English at frequency #55,389 among 3,470 “D” headwords, classed as anadjective, transcribed /ˈdɪploiːʔ/. Rarity is why readers land here mid-draft. 3 senses are on record.

Our edit-distance generator produced no likely misspellings for diploid, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From diplo- + -oid. By surface analysis, di- + -ploid. The correct English form is diploid, spelled D-I-P-L-O-I-D.

Definition

  1. 1
    Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.
  2. 2
    Of an organism, having diploid cells.
  3. 3
    Of a certain symmetry class with 24 congruent irregular quadrilateral faces.

Recorded use

Wiktionary example

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

  1. It has been shown, however, that triploid forms producing diploid gametes in one sex and haploid ones in the other sex can act as a stepping stone towards tetraploidization (triploid bridge; [ 93 – 95 ]).

Etymology

From diplo- + -oid. By surface analysis, di- + -ploid.

This word in other languages

diploide(Español)diploïde(Français)diploid(Deutsch)

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 "diploid"?
"diploid" is spelled D-I-P-L-O-I-D. The IPA pronunciation is /ˈdɪploiːʔ/.
What does "diploid" mean?
As an adjective, "diploid" means: Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.
How do you pronounce "diploid"?
The IPA (International Phonetic Alphabet) transcription for "diploid" is /ˈdɪploiːʔ/. 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 "diploid"?
From diplo- + -oid. By surface analysis, di- + -ploid. 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 "diploid", not the corpus desk frequency band.

Same letter count

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

ejector#55,408Elysian#55,410creased#55,356cowbell#55,352

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

Source: FrequencyWords open word-frequency list