Which to use
“bad” and “boa” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,699
- “bad” frequency rank
- #165
- “boa” frequency rank
- 4864
- confusion score
Side-by-Side Comparison
| Feature | bad | boa |
|---|---|---|
| Definition | banho | jiboia |
Where the eye mixes bad and boa
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses bad with boa
A purely visual mix-up. bad (/bɑt/) and boa (/ˈbo.ɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 4864, derived from the frequency rank of both members and their visual similarity.
bad is recorded at frequency rank #4,699, classified as anoun, pronounced /bɑt/. boa is at rank #165, tagged as anoun, pronounced /ˈbo.ɐ/.
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 4864, this pair ranks #69,897 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of bad vs boa
Shared letters: ab. Private to "bad": d. Private to "boa": o.
"bad" · 3 letters · shape CVC · "boa" · 3 letters · shape CVV
Frequently Asked Questions
Can "bad" and "boa" be used interchangeably?
Which is more common, "bad" or "boa"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "bad" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "boa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #69,897 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "bad" and "boa" also get mixed up with nearby pairs, the highest-scored neighbour is "bad vs bué". Nearby pair
Confusion rank #69,897 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.