Which to use
“baú” is a noun and “blu” is an adjective - they look or sound alike but fill different roles in a sentence.
- #13,895
- “baú” frequency rank
- #15,516
- “blu” frequency rank
- 29411
- confusion score
Side-by-Side Comparison
| Feature | baú | blu |
|---|---|---|
| Definition | caixa retangular com tampa convexa e geralmente revestida de couro cru | azul |
Where the eye mixes baú and blu
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between baú and blu
These two trip readers on the page rather than in the ear: baú is /ba.ˈu/ while blu is /blu/ ouvir^(fonte ?). 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 29411, derived from the frequency rank of both members and their visual similarity.
baú is recorded at frequency rank #13,895, classified as anoun, pronounced /ba.ˈu/. blu is at rank #15,516, tagged as anadj, pronounced /blu/ ouvir^(fonte ?).
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 29411, this pair ranks #39,229 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of baú vs blu
Shared letters: b. Private to "baú": aú. Private to "blu": lu.
"baú" · 3 letters · shape CVV · "blu" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "baú" for "blu" ever safe?
Which is more common, "baú" or "blu"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "baú" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "blu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #39,229 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "baú" and "blu" also get mixed up with nearby pairs, the highest-scored neighbour is "bile vs blu". Nearby pair
Confusion rank #39,229 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.