coeliac

/ˈsiːlɪæk/

//ˈsiːlɪæk// adj

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

The verdict

“coeliac” is uncommon English (frequency #64,272 among 43,570 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#64,272
frequency rank, English
43,570
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Relating to the abdomen, or to the cavity of the abdomen.

Key facts for coeliac
PropertyValue
Headwordcoeliac
LanguageEnglish
Part of speechAdjective
IPA/ˈsiːlɪæk/
Letters7
Frequency rank#64,272
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “coeliac” 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). coeliac lands here:

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

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

Rare enough to double-check

coeliac is uncommon English at frequency #64,272 among 43,570 “C” headwords, classed as anadjective, transcribed /ˈsiːlɪæk/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for coeliac, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Latin coeliacus, from Ancient Greek κοιλιακός (koiliakós), from κοιλία (koilía, “belly”). By surface analysis, coel- + -i- + -ac. Cognate with coelom. The correct English form is coeliac, spelled C-O-E-L-I-A-C.

Definition

  1. 1
    Relating to the abdomen, or to the cavity of the abdomen.
  2. 2
    Abbreviation of coeliac disease; used attributively.

Etymology

From Latin coeliacus, from Ancient Greek κοιλιακός (koiliakós), from κοιλία (koilía, “belly”). By surface analysis, coel- + -i- + -ac. Cognate with coelom.

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 "coeliac"?
"coeliac" is spelled C-O-E-L-I-A-C. The IPA pronunciation is /ˈsiːlɪæk/.
What does "coeliac" mean?
As an adjective, "coeliac" means: Relating to the abdomen, or to the cavity of the abdomen.
How do you pronounce "coeliac"?
The IPA (International Phonetic Alphabet) transcription for "coeliac" is /ˈsiːlɪæk/. 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 "coeliac"?
From Latin coeliacus, from Ancient Greek κοιλιακός (koiliakós), from κοιλία (koilía, “belly”). By surface analysis, coel- + -i- + -ac. Cognate with coelom. 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 “coeliac”

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

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

Other uncommon English words near this rank

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