cochlea

/ˈkɒk.li.ə/

//ˈkɒk.li.ə// noun

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

The verdict

“cochlea” is an uncommon English word, ranked #68,942 in English word frequency and used as a noun.

#68,942
frequency rank, English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 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.

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)

Where “cochlea” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for cochlea is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkɒk.li.ə/. Corpus data places it at rank #68,942 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

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.

Using “cochlea”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-O-C-H-L-E-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkɒk.li.ə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list