baiãovsbastiãoWhat's the difference?

Which to use

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

#30,438
“baião” frequency rank
#44,231
“bastião” frequency rank
74669
confusion score

Side-by-Side Comparison

Feature baião bastião
Definition tabua-larga (Typha latifolia) parte de uma fortificação construída de modo que as muralhas formam um pentágono irregular

Where the eye mixes baião and bastião

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. baião runs 5 letters (CVVVV) against bastião's 7 (CVCCVVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
baião
7 ch
bastião

Why the eye confuses baião with bastião

A purely visual mix-up. baião (/baj.'oŋ/) and bastião (/bɐʃ.ˈtjɐ̃w̃/) 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 74669, derived from the frequency rank of both members and their visual similarity.

baião is recorded at frequency rank #30,438, classified as anoun, pronounced /baj.'oŋ/. bastião is at rank #44,231, tagged as anoun, pronounced /bɐʃ.ˈtjɐ̃w̃/.

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 74669, this pair ranks #2,458 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of baião vs bastião

Shared letters: abioã. Private to "baião": -. Private to "bastião": st.

"baião" · 5 letters · shape CVVVV  ·  "bastião" · 7 letters · shape CVCCVVV

Frequently Asked Questions

Do "baião" and "bastião" mean the same thing in a sentence?
No. They are said differently (/baj.'oŋ/ versus /bɐʃ.ˈtjɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "baião" vs "bastião" - which ranks higher?
"baião" is the more common of the two: it sits at frequency rank #30,438 in our Portuguese list, against #44,231 for "bastião". 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 "baião" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bastião" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,458 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "baião" and "bastião" also get mixed up with nearby pairs, the highest-scored neighbour is "báltico vs bastião". Nearby pair

Confusion rank #2,458 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