cognition

/kɒɡˈnɪʃ.ən/

//kɒɡˈnɪʃ.ən// noun

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

The verdict

“cognition” is a moderately-common English word, ranked #18,521 in English word frequency and used as a noun.

#18,521
frequency rank, English
9
letters
14
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The process of knowing, of acquiring knowledge and understanding through thought and through the senses.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

cognition vs condition
78% similar
cognition vs cognitive
78% similar
cognition vs coalition
78% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for cognition
PropertyValue
Headwordcognition
LanguageEnglish
Part of speechNoun
IPA/kɒɡˈnɪʃ.ən/
Letters9
Frequency rank#18,521
Misspellings tracked14
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “cognition” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). cognition lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for cognition is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /kɒɡˈnɪʃ.ən/. Corpus data places it at rank #18,521 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 14 likely wrong-spelling variants for cognition, with forms such as "ccognition", "cgonition", and "coggnition". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "condition", "cognitive", "coalition", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English cognicion, cognicioun from Latin cognitiō (“knowledge, perception, a judicial examination, trial”), from cognitus, past participle of cognoscere (“to know”), from co- (“together”) + *gnoscere, older form of noscere (“to know”); see know,… The correct English form is cognition, spelled C-O-G-N-I-T-I-O-N.

Definition

  1. 1
    The process of knowing, of acquiring knowledge and understanding through thought and through the senses.
  2. 2
    A result of a cognitive process.
  3. 3
    Knowledge; awareness.

Etymology

From Middle English cognicion, cognicioun from Latin cognitiō (“knowledge, perception, a judicial examination, trial”), from cognitus, past participle of cognoscere (“to know”), from co- (“together”) + *gnoscere, older form of noscere (“to know”); see know, and compare cognize, cognizance, cognizor, cognosce, connoisseur.

This word in other languages

Common misspellings

Also misspelled as: ccognition,cgonition,coggnition,cogintion,cogniiton,cognision,cognitino,cognitionn,cognitoin,cognittion,cognnition,cogntiion,congition,ocgnition

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of cognition - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ccognition1cgonition2coggnition1cogintion2cogniiton2cognision1cognitino2cognitionn1
Edit distance from "cognition"

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 "cognition"?
"cognition" is spelled C-O-G-N-I-T-I-O-N. The IPA pronunciation is /kɒɡˈnɪʃ.ən/.
What does "cognition" mean?
As a noun, "cognition" means: The process of knowing, of acquiring knowledge and understanding through thought and through the senses.
What words are commonly confused with "cognition"?
"cognition" is commonly confused with "condition", "cognitive", "coalition". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "cognition"?
The IPA (International Phonetic Alphabet) transcription for "cognition" is /kɒɡˈnɪʃ.ən/. 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 "cognition"?
From Middle English cognicion, cognicioun from Latin cognitiō (“knowledge, perception, a judicial examination, trial”), from cognitus, past participle of cognoscere (“to know”), from co- (“together”) + *gnoscere, older form of noscere (“to know”);... 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 “cognition”

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

  • The one correct English spelling is C-O-G-N-I-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /kɒɡˈnɪʃ.ən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “condition” - see the side-by-side comparison. cognition vs condition
  • 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