bravsbuTell them apart

Quick tell: bra is a noun, bu is an intj, so they fill different roles in a sentence.

Which to use

“bra” is a noun and “bu” is an intj - they look or sound alike but fill different roles in a sentence.

#30,360
“bra” frequency rank
#16,776
“bu” frequency rank
47136
confusion score

Side-by-Side Comparison

Feature bra bu
Definition Bruma. Se usa para asustar a alguien.

Where the eye mixes bra and bu

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

3 ch
bra
2 ch
bu

Visual trap between bra and bu

These two trip readers on the page rather than in the ear: bra is /bra/ while bu is [ˈbu]. 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 intj), which is usually the fastest check. Our composite confusion score for this pair is 47136, derived from the frequency rank of both members and their visual similarity.

bra is recorded at frequency rank #30,360, classified as anoun, pronounced /bra/. bu is at rank #16,776, tagged as anintj, pronounced [ˈbu].

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 47136, this pair ranks #121,725 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bra vs bu

Shared letters: b. Private to "bra": ar. Private to "bu": u.

"bra" · 3 letters · shape CCV  ·  "bu" · 2 letters · shape CV

Frequently Asked Questions

Can "bra" and "bu" be used interchangeably?
No - they are not even the same part of speech. "bra" is a noun and "bu" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bra" or "bu"?
"bu" is the more common of the two: it sits at frequency rank #16,776 in our Spanish list, against #30,360 for "bra". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "bra" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,725 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "bra" and "bu" also get mixed up with nearby pairs, the highest-scored neighbour is "bra vs brie". Nearby pair

Confusion rank #121,725 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list