baúvsblueWhat's the difference?

Quick tell: baú is a noun, blue is an adjective, so they fill different roles in a sentence.

Which to use

“baú” is a noun and “blue” is an adjective - they look or sound alike but fill different roles in a sentence.

#13,895
“baú” frequency rank
#6,034
“blue” frequency rank
19929
confusion score

Side-by-Side Comparison

Feature baú blue
Definition caixa retangular com tampa convexa e geralmente revestida de couro cru azul

Where the eye mixes baú and blue

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
baú
4 ch
blue

Why the eye confuses baú with blue

These two trip readers on the page rather than in the ear: baú is /ba.ˈu/ while blue is /blu:/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19929, 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/. blue is at rank #6,034, tagged as anadj, pronounced /blu:/.

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 19929, this pair ranks #50,689 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of baú vs blue

Shared letters: b. Private to "baú": . Private to "blue": elu.

"baú" · 3 letters · shape CVV  ·  "blue" · 4 letters · shape CCVV

Known mistypes of this pair

  • bluebblue · bllue · lbue

Frequently Asked Questions

Can "baú" and "blue" be used interchangeably?
No - they are not even the same part of speech. "baú" is a noun and "blue" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "baú" vs "blue" - which ranks higher?
"blue" is the more common of the two: it sits at frequency rank #6,034 in our Portuguese list, against #13,895 for "baú". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "baú" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "blue" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,689 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "baú" and "blue" also get mixed up with nearby pairs, the highest-scored neighbour is "baú 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 #50,689 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