colisãovscomissãoWhich spelling fits?

Which to use

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

#9,976
“colisão” frequency rank
#951
“comissão” frequency rank
10927
confusion score

Side-by-Side Comparison

Feature colisão comissão
Definition choque encargo

Where the eye mixes colisão and comissão

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. colisão runs 7 letters (CVCVCVV) against comissão's 8 (CVCVCCVV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
colisão
8 ch
comissão

Visual trap between colisão and comissão

A purely visual mix-up. colisão (/ku.li.ˈzɐ̃w̃/) and comissão (/ku.mi.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 1 letter(s) in length. Our composite confusion score for this pair is 10927, derived from the frequency rank of both members and their visual similarity.

colisão is recorded at frequency rank #9,976, classified as anoun, pronounced /ku.li.ˈzɐ̃w̃/. comissão is at rank #951, tagged as anoun, pronounced /ku.mi.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 10927, this pair ranks #62,039 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of colisão vs comissão

Shared letters: ciosã. Private to "colisão": l. Private to "comissão": m.

"colisão" · 7 letters · shape CVCVCVV  ·  "comissão" · 8 letters · shape CVCVCCVV

Frequently Asked Questions

Can "colisão" and "comissão" be used interchangeably?
No. They are said differently (/ku.li.ˈzɐ̃w̃/ versus /ku.mi.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "colisão" vs "comissão" - which ranks higher?
"comissão" is the more common of the two: it sits at frequency rank #951 in our Portuguese list, against #9,976 for "colisão". 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 "colisão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "comissão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #62,039 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "colisão" and "comissão" also get mixed up with nearby pairs, the highest-scored neighbour is "colisão vs colosso". Nearby pair

Confusion rank #62,039 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