neocortex
"neocortex" is a 9-letter English headword indexed on PlainSpell.
The verdict
“neocortex” is uncommon English (frequency #73,473 among 1,534 “N” headwords), classed as a noun. The kind of spelling people second-guess.
- #73,473
- frequency rank, English
- 1,534
- “N” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The top layer of the cerebral hemispheres in the brain of mammals; part of the cerebral cortex.
Corpus desk
Index EN-neocortex · neocortex · English
neocortex · rank #73,473 · 0 variants · 0 confusables
- FREQ-RARE #73,473
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,534
- PHOTO-FINISH Narbonne
Nearest frequency peer: Narbonne (-2 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 “neocortex”
Sparse band: bars invert rank so rarer forms read shorter
- Naoko
Naoko
26,531 corpus weight
- Narbonne
Narbonne
26,530 corpus weight
- neocortex
neocortex
26,528 corpus weight
- Nilsen
Nilsen
26,526 corpus weight
- nimbly
nimbly
26,525 corpus weight
- NLD
NLD
26,524 corpus weight
What this shows Long-tail view: where “neocortex” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | neocortex |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #73,473 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “neocortex” in English
Rare enough to double-check
neocortex is uncommon English at frequency #73,473 among 1,534 “N” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The top layer of the cerebral hemispheres in the brain of mammals; part of the cerebral cortex.".
Our edit-distance generator produced no likely misspellings for neocortex, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From neo- + cortex. The correct English form is neocortex, spelled N-E-O-C-O-R-T-E-X.
Definition
- 1The top layer of the cerebral hemispheres in the brain of mammals; part of the cerebral cortex.
Etymology
From neo- + cortex.
This word in other languages
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "neocortex", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).