cornvscorneaTell them apart

Which to use

“corn” and “cornea” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#5,206
“corn” frequency rank
#31,492
“cornea” frequency rank
36698
confusion score

Side-by-Side Comparison

Feature corn cornea
Definition Any cereal plant (or its grain) that is the main crop or staple of a country or region. The transparent layer making up the outermost front part of the eye, covering the iris, pupil, and anterior chamber.

Where the eye mixes corn and cornea

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
corn
6 ch
cornea

Why the eye confuses corn with cornea

A purely visual mix-up. corn (/ˈkɔːn/) and cornea (/ˈkɔː(ɹ)ni.ə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “corn” sits inside “cornea”. Our composite confusion score for this pair is 36698, derived from the frequency rank of both members and their visual similarity.

corn is recorded at frequency rank #5,206, classified as anoun, pronounced /ˈkɔːn/. cornea is at rank #31,492, tagged as anoun, pronounced /ˈkɔː(ɹ)ni.ə/.

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 36698, this pair ranks #300,943 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of corn vs cornea

Shared letters: cnor. Private to "corn": -. Private to "cornea": ae.

"corn" · 4 letters · shape CVCC  ·  "cornea" · 6 letters · shape CVCCVV

Known mistypes of this pair

  • cornccorn · conr · cornn · corrn · cron · ocrn
  • corneaccornea · conrea · corena · cornae · cornnea · corrnea · cronea · ocrnea

Frequently Asked Questions

Is swapping "corn" for "cornea" ever safe?
No. They are said differently (/ˈkɔːn/ versus /ˈkɔː(ɹ)ni.ə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "corn" vs "cornea" - which ranks higher?
"corn" is the more common of the two: it sits at frequency rank #5,206 in our English list, against #31,492 for "cornea". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "corn" and "cornea" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "corn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cornea" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #300,943 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "corn" and "cornea" 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 #300,943 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list