formaçãovsfraçãoWhat's the difference?

Which to use

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

#958
“formação” frequency rank
#13,520
“fração” frequency rank
14478
confusion score

Side-by-Side Comparison

Feature formação fração
Definition ato, efeito ou modo de formar ato de quebrar ou dividir uma coisa

Where the eye mixes formação and fração

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. formação runs 8 letters (CVCCVCVV) against fração's 6 (CCVCVV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
formação
6 ch
fração

Visual trap between formação and fração

A purely visual mix-up. formação (/fuɾ.mɐ.ˈsɐ̃w̃/) and fração (/fɾa.ˈsɐ̃w̃/) 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 14478, derived from the frequency rank of both members and their visual similarity.

formação is recorded at frequency rank #958, classified as anoun, pronounced /fuɾ.mɐ.ˈsɐ̃w̃/. fração is at rank #13,520, tagged as anoun, pronounced /fɾa.ˈsɐ̃w̃/.

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 14478, this pair ranks #57,584 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of formação vs fração

Shared letters: aforãç. Private to "formação": m. Private to "fração": -.

"formação" · 8 letters · shape CVCCVCVV  ·  "fração" · 6 letters · shape CCVCVV

Frequently Asked Questions

Is swapping "formação" for "fração" ever safe?
No. They are said differently (/fuɾ.mɐ.ˈsɐ̃w̃/ versus /fɾa.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "formação" or "fração"?
"formação" is the more common of the two: it sits at frequency rank #958 in our Portuguese list, against #13,520 for "fração". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "formação" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fração" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,584 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "formação" and "fração" also get mixed up with nearby pairs, the highest-scored neighbour is "feição vs fração". Nearby pair

Confusion rank #57,584 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