refrãovsregraTell them apart

Which to use

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

#13,377
“refrão” frequency rank
#2,594
“regra” frequency rank
15971
confusion score

Side-by-Side Comparison

Feature refrão regra
Definition fala ou dito popular que exprime uma ideia, uma lição, etc. preceito, norma ou lei

Where the eye mixes refrão and regra

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. refrão runs 6 letters (CVCCVV) against regra's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
refrão
5 ch
regra

Why the eye confuses refrão with regra

A purely visual mix-up. refrão (/ʁeˈfɾɐ̃w̃/ [heˈfɾɐ̃ʊ̯̃]) and regra (/ˈRɛ.ɡɾɐ/) 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 15971, derived from the frequency rank of both members and their visual similarity.

refrão is recorded at frequency rank #13,377, classified as anoun, pronounced /ʁeˈfɾɐ̃w̃/ [heˈfɾɐ̃ʊ̯̃]. regra is at rank #2,594, tagged as anoun, pronounced /ˈRɛ.ɡɾɐ/.

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 15971, this pair ranks #55,722 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of refrão vs regra

Shared letters: er. Private to "refrão": foã. Private to "regra": ag.

"refrão" · 6 letters · shape CVCCVV  ·  "regra" · 5 letters · shape CVCCV

Known mistypes of this pair

  • regra ← ergra · reggra · regrra · rerga · rgera · rregra

Frequently Asked Questions

Can "refrão" and "regra" be used interchangeably?
No. They are said differently (/ʁeˈfɾɐ̃w̃/ [heˈfɾɐ̃ʊ̯̃] versus /ˈRɛ.ɡɾɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "refrão" or "regra"?
"regra" is the more common of the two: it sits at frequency rank #2,594 in our Portuguese list, against #13,377 for "refrão". 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 "refrão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "regra" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,722 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "refrão" and "regra" also get mixed up with nearby pairs, the highest-scored neighbour is "refração vs refrão". 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 #55,722 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