cap vs cu, What's the Difference?

Which to use

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

#7,259
“cap” frequency rank: #4,716
“cu” frequency rank: 11975
confusion score

Side-by-Side Comparison

Feature	cap	cu
Definition	bode ou carneiro, especialmente velho ou castrado	extremidade do intestino grosso; ânus

Where the eye mixes cap and cu

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

3 ch

cap

2 ch

Look-alike desk: cap vs cu

A purely visual mix-up. cap (/t͡sap/) and cu (/ˈku/) 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 1 letter(s) in length. Our composite confusion score for this pair is 11975, 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/. cu is at rank #4,716, tagged as anoun, pronounced /ˈku/.

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 11975, this pair ranks #60,743 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cap vs cu

Shared letters: c. Private to "cap": ap. Private to "cu": u.

"cap" · 3 letters · shape CVC · "cu" · 2 letters · shape CV

Frequently Asked Questions

Can "cap" and "cu" be used interchangeably?

No. They are said differently (/t͡sap/ versus /ˈku/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

In ordinary Portuguese text, does "cap" or "cu" show up more?

"cu" is the more common of the two: it sits at frequency rank #4,716 in our Portuguese list, against #7,259 for "cap". 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 "cap" and "cu" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "cap" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "cu" - compare definitions side by side with the headword page. Word entry
This pair ranks #60,743 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"cap" and "cu" also get mixed up with nearby pairs, the highest-scored neighbour is "cap vs chau". Nearby pair

Confusion rank #60,743 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.