cofounded

adj

"cofounded" is a 9-letter English headword indexed on PlainSpell.

The verdict

“cofounded” is uncommon English (frequency #96,870 among 5,599 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#96,870
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Founded at the same time as another, or by two or more people.

Corpus desk

Index EN-cofounded · cofounded · English

cofounded · rank #96,870 · 0 variants · 0 confusables

  • FREQ-RARE #96,870
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH cohabit

Nearest frequency peer: cohabit (+1 rank slots)

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.

Long-tail ranks near “cofounded”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “cofounded” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for cofounded
PropertyValue
Headwordcofounded
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#96,870
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cofounded” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).cofoundedfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “cohabit” (#96,871), “clumpy” (#96,868), “coincidently” (#96,872). Among 5,599 “C” headwords, “cofounded” is #96,870. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cofounded is uncommon English at frequency #96,870 among 5,599 “C” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Founded at the same time as another, or by two or more people.".

The misspelling generator found no plausible variants for cofounded, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is cofounded, spelled C-O-F-O-U-N-D-E-D.

Definition

  1. 1
    Founded at the same time as another, or by two or more people.

Recorded use

Wiktionary example

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

  1. The Sovoa, translated to "lights out", is the first weapon developed by Taravay Industries, a new manufacturer co-founded by angara and the turians.

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 "cofounded"?
"cofounded" is spelled C-O-F-O-U-N-D-E-D.
What does "cofounded" mean?
As an adjective, "cofounded" means: Founded at the same time as another, or by two or more people.
What language does "cofounded" come from?
"cofounded" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "cofounded", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list