BvsBusWhat's the difference?

Quick tell: B is a symbol, Bus is a noun, so they fill different roles in a sentence.

Which to use

“B” is a symbol and “Bus” is a noun - they look or sound alike but fill different roles in a sentence.

#734
“B” frequency rank
#13,676
“Bus” frequency rank
14410
confusion score

Side-by-Side Comparison

Feature B Bus
Definition letra do alfabeto latino ônibus.

Letter map: B vs Bus

Shared letters muted; letters that set B and Bus apart highlighted. Shared run: 1.

1 ch
B
3 ch
Bus

Role in the sentence - B and Bus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: B is asymbol and Busanoun. On the page they differ by 2 extra letter(s) - “B” sits inside “Bus”. Our composite confusion score for this pair is 14410, derived from the frequency rank of both members and their visual similarity.

B is recorded at frequency rank #734, classified as asymbol. Bus is at rank #13,676, tagged as anoun, pronounced Geral^(fonte ?).

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 14410, this pair ranks #57,680 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of B vs Bus

Shared letters: b. Private to "B": -. Private to "Bus": su.

"B" · 1 letters · shape C  ·  "Bus" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "B" for "Bus" ever safe?
No - they are not even the same part of speech. "B" is a symbol and "Bus" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "B" vs "Bus" - which ranks higher?
"B" is the more common of the two: it sits at frequency rank #734 in our Portuguese list, against #13,676 for "Bus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "B" vs "Bus" is on the table, pick a follow-up below.

  • Full dictionary entry for "B" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Bus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,680 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "B" and "Bus" also get mixed up with nearby pairs, the highest-scored neighbour is "bué vs Bus". Nearby pair

Confusion rank #57,680 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