capvsceoWhich spelling fits?

Which to use

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

#7,259
“cap” frequency rank
#8,861
“ceo” frequency rank
16120
confusion score

Side-by-Side Comparison

Feature cap ceo
Definition bode ou carneiro, especialmente velho ou castrado nevoeiro; neblina

Where the eye mixes cap and ceo

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
cap
3 ch
ceo

Why the eye confuses cap with ceo

A purely visual mix-up. cap (/t͡sap/) and ceo (/coː/) 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 16120, derived from the frequency rank of both members and their visual similarity.

cap is recorded at frequency rank #7,259, classified as anoun, pronounced /t͡sap/. ceo is at rank #8,861, tagged as anoun, pronounced /coː/.

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 16120, this pair ranks #55,496 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cap vs ceo

Shared letters: c. Private to "cap": ap. Private to "ceo": eo.

"cap" · 3 letters · shape CVC  ·  "ceo" · 3 letters · shape CVV

Frequently Asked Questions

Do "cap" and "ceo" mean the same thing in a sentence?
No. They are said differently (/t͡sap/ versus /coː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cap" or "ceo"?
"cap" is the more common of the two: it sits at frequency rank #7,259 in our Portuguese list, against #8,861 for "ceo". 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 "cap" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ceo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,496 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cap" and "ceo" also get mixed up with nearby pairs, the highest-scored neighbour is "cap vs chau". Nearby pair

Confusion rank #55,496 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