Which to use
“bai” is a preposition and “bos” is a noun - they look or sound alike but fill different roles in a sentence.
- #27,371
- “bai” frequency rank
- #41,858
- “bos” frequency rank
- 69229
- confusion score
Side-by-Side Comparison
| Feature | bai | bos |
|---|---|---|
| Definition | de acordo com; conforme | floresta, bosque |
Where the eye mixes bai and bos
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. bai (CVV) and bos (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: bai vs bos
These two trip readers on the page rather than in the ear: bai is /ba.ˈi/ while bos is /bɔs/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 69229, derived from the frequency rank of both members and their visual similarity.
bai is recorded at frequency rank #27,371, classified as aprep, pronounced /ba.ˈi/. bos is at rank #41,858, tagged as anoun, pronounced /bɔs/.
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 69229, this pair ranks #4,009 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of bai vs bos
Shared letters: b. Private to "bai": ai. Private to "bos": os.
"bai" · 3 letters · shape CVV · "bos" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bai" for "bos" ever safe?
Which is more common, "bai" or "bos"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "bai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #4,009 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "bai" and "bos" also get mixed up with nearby pairs, the highest-scored neighbour is "bos vs bué". Nearby pair
Confusion rank #4,009 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.