circovscírculoWhich spelling fits?

Which to use

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

#5,717
“circo” frequency rank
#3,610
“círculo” frequency rank
9327
confusion score

Side-by-Side Comparison

Feature circo círculo
Definition em Roma, recinto onde se realizavam jogos para entretenimento público; o conjunto dos jogos figura plana formada por uma linha que contém todos os pontos equidistantes a um outro ponto central

Where the eye mixes circo and círculo

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
circo
7 ch
círculo

Why the eye confuses circo with círculo

A purely visual mix-up. circo (/ˈsirku/) and círculo (/ˈsiɾ.ku.lu/) 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 9327, derived from the frequency rank of both members and their visual similarity.

circo is recorded at frequency rank #5,717, classified as anoun, pronounced /ˈsirku/. círculo is at rank #3,610, tagged as anoun, pronounced /ˈsiɾ.ku.lu/.

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 9327, this pair ranks #64,137 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of circo vs círculo

Shared letters: cor. Private to "circo": i. Private to "círculo": luí.

"circo" · 5 letters · shape CVCCV  ·  "círculo" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • circoccirco · cicro · circco · ciroc · cirrco · crico · icrco

Frequently Asked Questions

Can "circo" and "círculo" be used interchangeably?
No. They are said differently (/ˈsirku/ versus /ˈsiɾ.ku.lu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "circo" vs "círculo" - which ranks higher?
"círculo" is the more common of the two: it sits at frequency rank #3,610 in our Portuguese list, against #5,717 for "circo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "circo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "círculo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,137 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "circo" and "círculo" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs circo". 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 #64,137 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