BahiavsbaiWhat's the difference?

Quick tell: Bahia is a noun, bai is a preposition, so they fill different roles in a sentence.

Which to use

“Bahia” is a noun and “bai” is a preposition - they look or sound alike but fill different roles in a sentence.

#1,422
“Bahia” frequency rank
#27,371
“bai” frequency rank
28793
confusion score

Side-by-Side Comparison

Feature Bahia bai
Definition estado brasileiro localizado no sul da Região Nordeste do Brasil, o quarto mais populoso do país; é o Estado que mais faz divisa com outros Estados, possuindo um total de oito Estados limítrofes, que são Alagoas, Sergipe, Pernambuco, Piauí, ao norte; Minas Gerais e Espírito Santo ao sul; Goiás e Tocantins ao oeste; ao leste, possui divisa com o Oceano Atlântico; sua capital é Salvador de acordo com; conforme

Where the eye mixes Bahia and bai

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

5 ch
Bahia
3 ch
bai

Visual trap between Bahia and bai

These two trip readers on the page rather than in the ear: Bahia is /ba.ˈi.a/ while bai is /ba.ˈi/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 28793, derived from the frequency rank of both members and their visual similarity.

Bahia is recorded at frequency rank #1,422, classified as anoun, pronounced /ba.ˈi.a/. bai is at rank #27,371, tagged as aprep, pronounced /ba.ˈi/.

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 28793, this pair ranks #39,987 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Bahia vs bai

Shared letters: abi. Private to "Bahia": h. Private to "bai": -.

"Bahia" · 5 letters · shape CVCVV  ·  "bai" · 3 letters · shape CVV

Known mistypes of this pair

  • Bahia ← abhia · bahai · bahhia · baiha · bbahia · bhaia

Frequently Asked Questions

Is swapping "Bahia" for "bai" ever safe?
No - they are not even the same part of speech. "Bahia" is a noun and "bai" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Bahia" or "bai"?
"Bahia" is the more common of the two: it sits at frequency rank #1,422 in our Portuguese list, against #27,371 for "bai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "Bahia" and "bai" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Bahia" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,987 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Bahia" and "bai" also get mixed up with nearby pairs, the highest-scored neighbour is "bai vs bué". 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 #39,987 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