corium

noun

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

The verdict

“corium” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The layer of skin between the epidermis and the subcutaneous tissues; the dermis.

Corpus desk

Index EN-corium · corium · English

corium · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" thin
  • PHOTO-UNK Peer pending

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.

Key facts for corium
PropertyValue
Headwordcorium
LanguageEnglish
Part of speechNoun
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “corium” in English

coriumranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

corium is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

Our edit-distance generator produced no likely misspellings for corium, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Latin corium (“leather”). The correct English form is corium, spelled C-O-R-I-U-M.

Definition

  1. 1
    The layer of skin between the epidermis and the subcutaneous tissues; the dermis.
  2. 2
    The deep layer of mucous membranes beneath the epithelium.
  3. 3
    Armour made of leather, particularly that used by the Romans.

Recorded use

Wiktionary example

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

  1. Passing by the Corium Bubulum of the Classical Ancients, we see in an old charter, dated 1036, "Stallus Sutoris Vaccæ," i. e. the stall of a shoe-maker who used cow-skin.

Etymology

From Latin corium (“leather”).

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "corium"?
"corium" is spelled C-O-R-I-U-M.
What does "corium" mean?
As a noun, "corium" means: The layer of skin between the epidermis and the subcutaneous tissues; the dermis.
What is the origin of the word "corium"?
From Latin corium (“leather”). 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.

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

Source: FrequencyWords open word-frequency list