cogito

noun

"cogito" is a 6-letter English headword indexed on PlainSpell.

The verdict

“cogito” is uncommon English (frequency #89,242 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#89,242
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The argument "cogito, ergo sum" ("I think therefore I am") from the philosophy of René Descartes; the mental act of thinking this thought; a conscious being which performs this mental act.

Corpus desk

Index EN-cogito · cogito · English

cogito · rank #89,242 · 0 variants · 0 confusables

  • FREQ-RARE #89,242
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Cobbett

Nearest frequency peer: Cobbett (-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 “cogito”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for cogito
PropertyValue
Headwordcogito
LanguageEnglish
Part of speechNoun
Letters6
Frequency rank#89,242
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cogito” in English

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

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Cobbett” (#89,241), “coherency” (#89,243), “combated” (#89,246). Among 5,599 “C” headwords, “cogito” is #89,242. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cogito is uncommon English at frequency #89,242 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The argument "cogito, ergo sum" ("I think therefore I am") from the philosophy of René Descartes; the mental act of thinking this thought; a conscious being which performs this mental act.".

The misspelling generator found no plausible variants for cogito, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is cogito, spelled C-O-G-I-T-O.

Definition

  1. 1
    The argument "cogito, ergo sum" ("I think therefore I am") from the philosophy of René Descartes; the mental act of thinking this thought; a conscious being which performs this mental act.

Recorded use

Wiktionary examples

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

  1. The Cogito of Descartes and Husserl is an apprehension of fact. […] Such a Cogito is performed by a consciousness directed upon consciousness, a consciousness which takes consciousness as an object.
  2. But are there not as many consciousnesses or cogitos as there are individuals?

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 "cogito"?
"cogito" is spelled C-O-G-I-T-O.
What does "cogito" mean?
As a noun, "cogito" means: The argument "cogito, ergo sum" ("I think therefore I am") from the philosophy of René Descartes; the mental act of thinking this thought; a conscious being which performs this mental act.
What language does "cogito" come from?
"cogito" 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 "cogito", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list