cochlea

/ˈkɒk.li.ə/

//ˈkɒk.li.ə// noun

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

The verdict

“cochlea” is uncommon English (frequency #68,942 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#68,942
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The complex, spirally coiled, tapered cavity of the inner ear of higher vertebrates, which contains the organ of Corti and in which sound vibrations are converted into nerve impulses.

Corpus desk

Index EN-cochlea · cochlea · English

cochlea · rank #68,942 · 0 variants · 0 confusables

  • FREQ-RARE #68,942
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH coeducational

Nearest frequency peer: coeducational (+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 “cochlea”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for cochlea
PropertyValue
Headwordcochlea
LanguageEnglish
Part of speechNoun
IPA/ˈkɒk.li.ə/
Letters7
Frequency rank#68,942
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cochlea” 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).cochleafalls 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: “coeducational” (#68,943), “Cluny” (#68,940), “colonise” (#68,945). Among 5,599 “C” headwords, “cochlea” is #68,942. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cochlea is uncommon English at frequency #68,942 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkɒk.li.ə/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for cochlea, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Borrowed from Latin cochlea (“a snail”), from Ancient Greek κόχλιας (kókhlias, “a snail with a spiral shell”). The correct English form is cochlea, spelled C-O-C-H-L-E-A.

Definition

  1. 1
    The complex, spirally coiled, tapered cavity of the inner ear of higher vertebrates, which contains the organ of Corti and in which sound vibrations are converted into nerve impulses.
  2. 2
    A spiral-shaped shell, especially that of a snail.

Etymology

Borrowed from Latin cochlea (“a snail”), from Ancient Greek κόχλιας (kókhlias, “a snail with a spiral shell”).

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cochlea"?
"cochlea" is spelled C-O-C-H-L-E-A. The IPA pronunciation is /ˈkɒk.li.ə/.
What does "cochlea" mean?
As a noun, "cochlea" means: The complex, spirally coiled, tapered cavity of the inner ear of higher vertebrates, which contains the organ of Corti and in which sound vibrations are converted into nerve impulses.
How do you pronounce "cochlea"?
The IPA (International Phonetic Alphabet) transcription for "cochlea" is /ˈkɒk.li.ə/. 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 "cochlea"?
Borrowed from Latin cochlea (“a snail”), from Ancient Greek κόχλιας (kókhlias, “a snail with a spiral shell”). 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 "cochlea", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list