coowner

noun

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

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative form of co-owner.

Corpus desk

Index EN-coowner · coowner · English

coowner · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 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 coowner
PropertyValue
Headwordcoowner
LanguageEnglish
Part of speechNoun
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “coowner” in English

coownersits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

coowner is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Alternative form of co-owner.".

The misspelling generator found no plausible variants for coowner, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No borrowing history is documented for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is coowner, spelled C-O-O-W-N-E-R.

Definition

  1. 1
    Alternative form of co-owner.

Recorded use

Wiktionary example

These source excerpts show how coowner 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.

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 "coowner"?
"coowner" is spelled C-O-O-W-N-E-R.
What does "coowner" mean?
As a noun, "coowner" means: Alternative form of co-owner.
What language does "coowner" come from?
"coowner" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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