conavscórneaTell them apart

Which to use

“cona” and “córnea” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#30,891
“cona” frequency rank
#32,130
“córnea” frequency rank
63021
confusion score

Side-by-Side Comparison

Feature cona córnea
Definition genitália feminina membrana exterior do olho humano, situada anteriormente à pupila

Where the eye mixes cona and córnea

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
cona
6 ch
córnea

Visual trap between cona and córnea

A purely visual mix-up. cona (/'ko.nɐ/) and córnea (/ˈkɔɾ.njɐ/) 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 letter(s) in length. Our composite confusion score for this pair is 63021, derived from the frequency rank of both members and their visual similarity.

cona is recorded at frequency rank #30,891, classified as anoun, pronounced /'ko.nɐ/. córnea is at rank #32,130, tagged as anoun, pronounced /ˈkɔɾ.njɐ/.

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 63021, this pair ranks #6,388 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of cona vs córnea

Shared letters: acn. Private to "cona": o. Private to "córnea": eró.

"cona" · 4 letters · shape CVCV  ·  "córnea" · 6 letters · shape CVCCVV

Known mistypes of this pair

  • conaccona · cnoa · coan · conna · ocna

Frequently Asked Questions

Can "cona" and "córnea" be used interchangeably?
No. They are said differently (/'ko.nɐ/ versus /ˈkɔɾ.njɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "cona" or "córnea" show up more?
"cona" is the more common of the two: it sits at frequency rank #30,891 in our Portuguese list, against #32,130 for "córnea". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "cona" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "córnea" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,388 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cona" and "córnea" also get mixed up with nearby pairs, the highest-scored neighbour is "conca vs córnea". 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 #6,388 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list