Which to use
“cornea” and “cortex” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,492
- “cornea” frequency rank
- #13,126
- “cortex” frequency rank
- 44618
- confusion score
Side-by-Side Comparison
| Feature | cornea | cortex |
|---|---|---|
| Definition | The transparent layer making up the outermost front part of the eye, covering the iris, pupil, and anterior chamber. | The outer layer of an internal organ or body structure, such as the kidney or the brain. |
Where the eye mixes cornea and cortex
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between cornea and cortex
A purely visual mix-up. cornea (/ˈkɔː(ɹ)ni.ə/) and cortex (/ˈkɔɹtɛks/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44618, derived from the frequency rank of both members and their visual similarity.
cornea is recorded at frequency rank #31,492, classified as anoun, pronounced /ˈkɔː(ɹ)ni.ə/. cortex is at rank #13,126, tagged as anoun, pronounced /ˈkɔɹtɛks/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 44618, this pair ranks #228,900 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cornea vs cortex
Shared letters: ceor. Private to "cornea": an. Private to "cortex": tx.
"cornea" · 6 letters · shape CVCCVV · "cortex" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "cornea" and "cortex" be used interchangeably?
Frequency check: "cornea" vs "cortex" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "cornea" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cortex" - compare definitions side by side with the headword page. Word entry
- This pair ranks #228,900 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cornea" and "cortex" also get mixed up with nearby pairs, the highest-scored neighbour is "corker vs cornea". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #228,900 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.