co-owner

noun

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

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Someone who owns something together with one or more other people.

Corpus desk

Index EN-co-owner · co-owner · English

co-owner · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 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-owner
PropertyValue
Headwordco-owner
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

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

co-ownerfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

co-owner is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Someone who owns something together with one or more other people.".

The misspelling generator found no plausible variants for co-owner, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From co- + owner. The correct English form is co-owner, spelled C-O---O-W-N-E-R.

Definition

  1. 1
    Someone who owns something together with one or more other people.

Recorded use

Wiktionary examples

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

  1. […] when a gay man really does die of something other than AIDS, as in the case of Tom Norton, the popular coowner of Unabridged Books, festering doubt will plague his memory.
  2. She praised Mythic Talent co-owner Asmongold for arguing, “Every trans kid is actually a victim of a parent with a mental illness.”

Etymology

From co- + owner.

Synonyms

joint owner

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 "co-owner"?
"co-owner" is spelled C-O---O-W-N-E-R.
What does "co-owner" mean?
As a noun, "co-owner" means: Someone who owns something together with one or more other people.
What is the origin of the word "co-owner"?
From co- + owner. 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