binvsboWhat's the difference?

Quick tell: bin is a verb, bo is a noun, so they fill different roles in a sentence.

Which to use

“bin” is a verb and “bo” is a noun - they look or sound alike but fill different roles in a sentence.

#8,722
“bin” frequency rank
#7,736
“bo” frequency rank
16458
confusion score

Side-by-Side Comparison

Feature bin bo
Definition primeira pessoa do singular do presente do indicativo do verbo sein: bastão longo de madeira ou bambu, utilizado em artes marciais

Where the eye mixes bin and bo

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

3 ch
bin
2 ch
bo

Why the eye confuses bin with bo

These two trip readers on the page rather than in the ear: bin is /bɪn/ while bo is /bo/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16458, derived from the frequency rank of both members and their visual similarity.

bin is recorded at frequency rank #8,722, classified as averb, pronounced /bɪn/. bo is at rank #7,736, tagged as anoun, pronounced /bo/.

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 16458, this pair ranks #55,070 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bin vs bo

Shared letters: b. Private to "bin": in. Private to "bo": o.

"bin" · 3 letters · shape CVC  ·  "bo" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "bin" for "bo" ever safe?
No - they are not even the same part of speech. "bin" is a verb and "bo" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "bin" or "bo" show up more?
"bo" is the more common of the two: it sits at frequency rank #7,736 in our Portuguese list, against #8,722 for "bin". 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 "bin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,070 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "bin" and "bo" also get mixed up with nearby pairs, the highest-scored neighbour is "bile vs bin". Nearby pair

Confusion rank #55,070 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