co-mother

noun

"co-mother" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The relationship of a godmother to the other god-parents, and the legal parents, of a child.

Corpus desk

Index EN-co-mother · co-mother · English

co-mother · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 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 co-mother
PropertyValue
Headwordco-mother
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “co-mother” in English

co-motherranks 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

co-mother is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 4 senses are on record.

We couldn't generate a plausible misspelling set for co-mother, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: * com- + mother, as calque of Latin commater, French commère. The correct English form is co-mother, spelled C-O---M-O-T-H-E-R.

Definition

  1. 1
    The relationship of a godmother to the other god-parents, and the legal parents, of a child.
  2. 2
    In polygamy, a wife of one's father who is not one's mother; that is, co-wife of one's mother.
  3. 3
    In polygamy, the relationship between one co-wife and another, in respect to their children.
  4. 4
    In a lesbian couple, the nonbirth mother (partner of the birth mother) of a child, especially one who takes an equal role in mothering the child.

Recorded use

Wiktionary examples

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

  1. It is considered incestuous for a co-mother and co-father to have sex relations
  2. the two of them went to their mother's forest hut and tried to find a way to avenge their mother's death and kill their co-mother.

Etymology

* com- + mother, as calque of Latin commater, French commère.

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 "co-mother"?
"co-mother" is spelled C-O---M-O-T-H-E-R.
What does "co-mother" mean?
As a noun, "co-mother" means: The relationship of a godmother to the other god-parents, and the legal parents, of a child.
What is the origin of the word "co-mother"?
* com- + mother, as calque of Latin commater, French commère. 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