cognation

/kɒɡˈneɪʃən/

//kɒɡˈneɪʃən// noun

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

The verdict

“cognation” 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 May 6, 2026) - A cognate relationship.

Key facts for cognation
PropertyValue
Headwordcognation
LanguageEnglish
Part of speechNoun
IPA/kɒɡˈneɪʃən/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cognation” sits in English frequency

cognation falls 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

cognation is uncommon English outside the top frequency list, classed as anoun, transcribed /kɒɡˈneɪʃən/. Rarity is why readers land here mid-draft. Gloss: "A cognate relationship.".

Zero misspellings are on record for cognation in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Middle English cognacion, cognacioun, from Latin cognātiō; equivalent to cognate + -ion. The correct English form is cognation, spelled C-O-G-N-A-T-I-O-N.

Definition

  1. 1
    A cognate relationship.

Etymology

From Middle English cognacion, cognacioun, from Latin cognātiō; equivalent to cognate + -ion.

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 "cognation"?
"cognation" is spelled C-O-G-N-A-T-I-O-N. The IPA pronunciation is /kɒɡˈneɪʃən/.
What does "cognation" mean?
As a noun, "cognation" means: A cognate relationship.
How do you pronounce "cognation"?
The IPA (International Phonetic Alphabet) transcription for "cognation" is /kɒɡˈneɪʃən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "cognation"?
From Middle English cognacion, cognacioun, from Latin cognātiō; equivalent to cognate + -ion. 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.

Using “cognation”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-O-G-N-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /kɒɡˈneɪʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list