diplodocus

/daɪˈplɒdəkəs/

//daɪˈplɒdəkəs// noun

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

The verdict

“diplodocus” 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) - Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America.

Corpus desk

Index EN-diplodocus · diplodocus · English

diplodocus · 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 "D" 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 diplodocus
PropertyValue
Headworddiplodocus
LanguageEnglish
Part of speechNoun
IPA/daɪˈplɒdəkəs/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “diplodocus” in English

diplodocusranks 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

diplodocus is uncommon English outside the top frequency list, classed as anoun, transcribed /daɪˈplɒdəkəs/. Rarity is why readers land here mid-draft. Gloss: "Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America.".

The misspelling generator found no plausible variants for diplodocus, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Ancient Greek διπλόος (diplóos, “double”) and δοκός (dokós, “beam”). The correct English form is diplodocus, spelled D-I-P-L-O-D-O-C-U-S.

Definition

  1. 1
    Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America.

Etymology

From Ancient Greek διπλόος (diplóos, “double”) and δοκός (dokós, “beam”).

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 "diplodocus"?
"diplodocus" is spelled D-I-P-L-O-D-O-C-U-S. The IPA pronunciation is /daɪˈplɒdəkəs/.
What does "diplodocus" mean?
As a noun, "diplodocus" means: Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America.
How do you pronounce "diplodocus"?
The IPA (International Phonetic Alphabet) transcription for "diplodocus" is /daɪˈplɒdəkəs/. 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 "diplodocus"?
From Ancient Greek διπλόος (diplóos, “double”) and δοκός (dokós, “beam”). 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.

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

Source: FrequencyWords open word-frequency list