Which to use
“blu” is an adjective and “breu” is a noun - they look or sound alike but fill different roles in a sentence.
- #15,516
- “blu” frequency rank
- #37,209
- “breu” frequency rank
- 52725
- confusion score
Side-by-Side Comparison
| Feature | blu | breu |
|---|---|---|
| Definition | azul | sólido escuro, inflamável, obtido a partir de secreções resinosas de várias plantas, especialmente de coníferas (Pinus palustris etc.), ou da destilação do alcatrão; breu de colofônia, colofônia, colofônio [O breu é usado em adesivos, vernizes, isolantes, revestimentos etc., e também em plásticos e na fabricação de papel (engomagem)] |
Where the spellings diverge
Shared letters are muted; the letters that actually set blu and breu apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
blu and breu form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 52725, derived from the frequency rank of both members and their visual similarity.
blu is recorded at frequency rank #15,516, classified as anadj, pronounced /blu/ ouvir^(fonte ?). breu is at rank #37,209, tagged as anoun.
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 52725, this pair ranks #12,543 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Frequency comparison
Frequently Asked Questions
Can "blu" and "breu" be used interchangeably?
Remembering blu vs breu
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “blu”; for a noun, it's “breu”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “blu” entry
- Browse more pairs most likely to be confused. Most confusable