sançãovssucçãoWhich spelling fits?

Which to use

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

#16,876
“sanção” frequency rank
#24,463
“sucção” frequency rank
41339
confusion score

Side-by-Side Comparison

Feature sanção sucção
Definition ato de sancionar uma lei; aprovação, pelo presidente, de uma lei votada no legislativo ato ou efeito de sugar; sugação

Where the eye mixes sanção and sucção

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sanção and sucção follow the identical consonant-vowel pattern (CVCCVV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
sanção
6 ch
sucção

Why the eye confuses sanção with sucção

A purely visual mix-up. sanção (/sɐ̃.ˈsɐ̃w̃/) and sucção (/su.ˈksɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 41339, derived from the frequency rank of both members and their visual similarity.

sanção is recorded at frequency rank #16,876, classified as anoun, pronounced /sɐ̃.ˈsɐ̃w̃/. sucção is at rank #24,463, tagged as anoun, pronounced /su.ˈksɐ̃w̃/.

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 41339, this pair ranks #24,577 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sanção vs sucção

Shared letters: osãç. Private to "sanção": an. Private to "sucção": cu.

"sanção" · 6 letters · shape CVCCVV  ·  "sucção" · 6 letters · shape CVCCVV

Frequently Asked Questions

Do "sanção" and "sucção" mean the same thing in a sentence?
No. They are said differently (/sɐ̃.ˈsɐ̃w̃/ versus /su.ˈksɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sanção" or "sucção"?
"sanção" is the more common of the two: it sits at frequency rank #16,876 in our Portuguese list, against #24,463 for "sucção". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sanção" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sucção" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,577 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sanção" and "sucção" also get mixed up with nearby pairs, the highest-scored neighbour is "sucção vs sulco". Nearby pair

Confusion rank #24,577 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