cuvscubaTell them apart

Which to use

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

#4,716
“cu” frequency rank
#3,549
“cuba” frequency rank
8265
confusion score

Side-by-Side Comparison

Feature cu cuba
Definition extremidade do intestino grosso; ânus recipiente para lavar loiça. Compartimento de um lava-loiça.

Where the eye mixes cu and cuba

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
cu
4 ch
cuba

Look-alike desk: cu vs cuba

A purely visual mix-up. cu (/ˈku/) and cuba (/ˈku.bɐ/) 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) - “cu” sits inside “cuba”. Our composite confusion score for this pair is 8265, derived from the frequency rank of both members and their visual similarity.

cu is recorded at frequency rank #4,716, classified as anoun, pronounced /ˈku/. cuba is at rank #3,549, tagged as anoun, pronounced /ˈku.bɐ/.

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 8265, this pair ranks #65,574 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cu vs cuba

Shared letters: cu. Private to "cu": -. Private to "cuba": ab.

"cu" · 2 letters · shape CV  ·  "cuba" · 4 letters · shape CVCV

Known mistypes of this pair

  • cubacbua · ccuba · cuab · cubba · ucba

Frequently Asked Questions

Is swapping "cu" for "cuba" ever safe?
No. They are said differently (/ˈku/ versus /ˈku.bɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "cu" or "cuba" show up more?
"cuba" is the more common of the two: it sits at frequency rank #3,549 in our Portuguese list, against #4,716 for "cu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "cu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cuba" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,574 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cu" and "cuba" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs cu". 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 #65,574 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