boa vs box, What's the Difference?

Which to use

“boa” and “box” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#165
“boa” frequency rank: #6,381
“box” frequency rank: 6546
confusion score

Side-by-Side Comparison

Feature	boa	box
Definition	jiboia	cada espaço subdividido por parede ou extrutura similar e que é destinado ao uso comercial dentro de uma construção maior

Letter map: boa vs box

Shared letters muted; letters that set boa and box apart highlighted. Shared run: 2.

3 ch

boa

3 ch

box

Spelling & dictionary notes on boa vs box

boa and box are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - a in “boa” becomes x in “box”. Our composite confusion score for this pair is 6546, derived from the frequency rank of both members and their visual similarity.

boa is recorded at frequency rank #165, classified as anoun, pronounced /ˈbo.ɐ/. box is at rank #6,381, 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 6546, this pair ranks #67,860 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of boa vs box

Shared letters: bo. Private to "boa": a. Private to "box": x.

"boa" · 3 letters · shape CVV · "box" · 3 letters · shape CVC

Frequently Asked Questions

Do "boa" and "box" mean the same thing in a sentence?

No. They differ by a single letter - a in “boa” becomes x in “box”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

In ordinary Portuguese text, does "boa" or "box" show up more?

"boa" is the more common of the two: it sits at frequency rank #165 in our Portuguese list, against #6,381 for "box". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "boa" and "box". Here's where to go from here.

Full dictionary entry for "boa" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "box" - compare definitions side by side with the headword page. Word entry
This pair ranks #67,860 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"boa" and "box" also get mixed up with nearby pairs, the highest-scored neighbour is "box vs bué". Nearby pair

Confusion rank #67,860 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.