C vs cu, What's the Difference?

Which to use

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

#372
“C” frequency rank: #4,716
“cu” frequency rank: 5088
confusion score

Side-by-Side Comparison

Feature	C	cu
Definition	linguagem de programação de alto nível para computadores, voltada para o desenvolvimento de sistemas e aplicativos	extremidade do intestino grosso; ânus

Letter map: C vs cu

Shared letters muted; letters that set C and cu apart highlighted. Shared run: 1.

1 ch

2 ch

Spelling & dictionary notes on C vs cu

C and cu are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 extra letter(s) - “C” sits inside “cu”. Our composite confusion score for this pair is 5088, derived from the frequency rank of both members and their visual similarity.

C is recorded at frequency rank #372, classified as anoun. 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 5088, this pair ranks #69,628 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of C vs cu

Shared letters: c. Private to "C": -. Private to "cu": u.

"C" · 1 letters · shape C · "cu" · 2 letters · shape CV

Frequently Asked Questions

Do "C" and "cu" mean the same thing in a sentence?

No. They differ by 1 extra letter(s) - “C” sits inside “cu”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Which is more common, "C" or "cu"?

"C" is the more common of the two: it sits at frequency rank #372 in our Portuguese list, against #4,716 for "cu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "C" and "cu". Here's where to go from here.

Full dictionary entry for "C" 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 #69,628 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"C" and "cu" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs cu". Nearby pair

Confusion rank #69,628 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.