coccyx

\kɔk.sis\

/\kɔk.sis\/ noun

The verdict

“coccyx” is uncommon French (frequency #62,869 among 8,609 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#62,869
frequency rank, French
8,609
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Petit os des hominoïdes qui est comme un appendice de l’os sacrum, à l’extrémité duquel il est attaché, formé de quatre à six vertèbres coccygiennes soudées chez l’humain, vestige de la queue (appe...

Corpus desk

Index FR-coccyx · coccyx · French

coccyx · rank #62,869 · 0 variants · 0 confusables

  • FREQ-RARE #62,869
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 8,609
  • PHOTO-FINISH coaxial

Nearest frequency peer: coaxial (-1 rank slots)

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.

Rangs de longue queue près de « coccyx »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « coccyx » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for coccyx
PropertyValue
Headwordcoccyx
LanguageFrench
Part of speechNoun
IPA\kɔk.sis\
Letters6
Frequency rank#62,869
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « coccyx » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).coccyxtombe dans cette queue de rareté:

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

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « coaxial » (#62,868), « Cocody » (#62,870), « coa » (#62,867). Parmi 8,609 lemmes en « C », « coccyx » est au #62,869. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

coccyx is uncommon French at frequency #62,869 among 8,609 “C” headwords, classed as anoun, transcribed \kɔk.sis\. Rarity is why readers land here mid-draft. Gloss: "Petit os des hominoïdes qui est comme un appendice de l’os sacrum, à l’extrémité duquel il est attaché, formé de quatre à six vertèbres coccygiennes soudées chez l’humain, vestige de la queue (appe...".

coccyx has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is coccyx, spelled C-O-C-C-Y-X.

Definition

  1. 1
    Petit os des hominoïdes qui est comme un appendice de l’os sacrum, à l’extrémité duquel il est attaché, formé de quatre à six vertèbres coccygiennes soudées chez l’humain, vestige de la queue (appendice caudal) atrophiée.

Recorded use

Wiktionary examples

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

  1. La queue des animaux n’est qu’un coccyx prolongé.
  2. Au total, le coccyx possède quinze points d’ossification. cinq primitifs et dix complémentaires.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "coccyx"?
"coccyx" is spelled C-O-C-C-Y-X. The IPA pronunciation is \kɔk.sis\.
What does "coccyx" mean?
As a noun, "coccyx" means: Petit os des hominoïdes qui est comme un appendice de l’os sacrum, à l’extrémité duquel il est attaché, formé de quatre à six vertèbres coccygiennes soudées chez l’humain, vestige de la queue (appe...
How do you pronounce "coccyx"?
The IPA (International Phonetic Alphabet) transcription for "coccyx" is \kɔk.sis\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "coccyx" come from?
"coccyx" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 French words by spelling shape

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

Same letter count

Frequency-ranked French headwords with 6 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list