cloaca

/kləʊˈeɪ.kə/

//kləʊˈeɪ.kə// noun

"cloaca" is a 6-letter English headword indexed on PlainSpell.

The verdict

“cloaca” is an uncommon English word, ranked #78,478 in English word frequency and used as a noun.

#78,478
frequency rank, English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A sewer.

Key facts for cloaca
PropertyValue
Headwordcloaca
LanguageEnglish
Part of speechNoun
IPA/kləʊˈeɪ.kə/
Letters6
Frequency rank#78,478
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cloaca” 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). cloaca 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 cloaca is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /kləʊˈeɪ.kə/. Corpus data places it at rank #78,478 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

The misspelling generator found no plausible variants for cloaca, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Borrowed from Latin cloāca (“sewer”), related to cluō (“cleanse; purge”), but the derivation is uncertain. The correct English form is cloaca, spelled C-L-O-A-C-A.

Definition

  1. 1
    A sewer.
  2. 2
    The opening in reptiles, amphibians and birds, as well as elasmobranchians, lobe-finned fishes, and monotreme mammals, which serves as the common outlet for the urogenital ducts and rectum.
  3. 3
    An outhouse or lavatory.
  4. 4
    A duct through which gangrenous material escapes a body.
  5. 5
    Structure in the embryo during the development of the reproductive and urinary systems.

Etymology

Borrowed from Latin cloāca (“sewer”), related to cluō (“cleanse; purge”), but the derivation is uncertain.

Synonyms

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 "cloaca"?
"cloaca" is spelled C-L-O-A-C-A. The IPA pronunciation is /kləʊˈeɪ.kə/.
What does "cloaca" mean?
As a noun, "cloaca" means: A sewer.
How do you pronounce "cloaca"?
The IPA (International Phonetic Alphabet) transcription for "cloaca" is /kləʊˈeɪ.kə/. 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 "cloaca"?
Borrowed from Latin cloāca (“sewer”), related to cluō (“cleanse; purge”), but the derivation is uncertain. 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 “cloaca”

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

  • The one correct English spelling is C-L-O-A-C-A - every other letter order is a misspelling in standard orthography.
  • Say it as /kləʊˈeɪ.kə/ (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