cortical

/ˈkɔː.tɪ.kəl/

//ˈkɔː.tɪ.kəl// adj

"cortical" is a 8-letter English headword indexed on PlainSpell.

The verdict

“cortical” is a moderately-common English word, ranked #26,736 in English word frequency and used as an adjective.

#26,736
frequency rank, English
8
letters
12
tracked misspellings
7
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Pertaining to the outer layer of an internal organ or body structure, such as the kidney or the brain.

Visual similarity to commonly confused words

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

cortical vs critical
75% similar
cortical vs cortisol
75% similar
cortical vs comical
75% similar

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

Key facts for cortical
PropertyValue
Headwordcortical
LanguageEnglish
Part of speechAdjective
IPA/ˈkɔː.tɪ.kəl/
Letters8
Frequency rank#26,736
Misspellings tracked12
Confusable pairs7
SourceWiktionary (kaikki.org)

Where “cortical” 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). cortical 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 cortical is 8 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈkɔː.tɪ.kəl/. Corpus data places it at rank #26,736 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for cortical, with forms such as "ccortical", "coritcal", and "corrtical". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 7 confusable-pair relationships, "critical", "cortisol", "comical", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Latin cortex (“bark”), stem cortic-, + -al. The correct English form is cortical, spelled C-O-R-T-I-C-A-L.

Definition

  1. 1
    Pertaining to the outer layer of an internal organ or body structure, such as the kidney or the brain.
  2. 2
    Pertaining to the cortex of a stem or root—the tissue that lies inward from the epidermis, but exterior to the vascular tissue.

Etymology

From Latin cortex (“bark”), stem cortic-, + -al.

Common misspellings

Also misspelled as: ccortical,coritcal,corrtical,cortcial,cortiacl,corticall,corticcal,corticla,corttical,cotrical,crotical,ocrtical

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of cortical - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ccortical1coritcal2corrtical1cortcial2cortiacl2corticall1corticcal1corticla2
Edit distance from "cortical"

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 "cortical"?
"cortical" is spelled C-O-R-T-I-C-A-L. The IPA pronunciation is /ˈkɔː.tɪ.kəl/.
What does "cortical" mean?
As an adjective, "cortical" means: Pertaining to the outer layer of an internal organ or body structure, such as the kidney or the brain.
What words are commonly confused with "cortical"?
"cortical" is commonly confused with "critical", "cortisol", "comical". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "cortical"?
The IPA (International Phonetic Alphabet) transcription for "cortical" is /ˈkɔː.tɪ.kəl/. 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 "cortical"?
From Latin cortex (“bark”), stem cortic-, + -al. 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 “cortical”

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

  • The one correct English spelling is C-O-R-T-I-C-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkɔː.tɪ.kəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “critical” - see the side-by-side comparison. cortical vs critical
  • 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