Bus vs by, What's the Difference?

Which to use

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

#13,676
“Bus” frequency rank: #1,598
“by” frequency rank: 15274
confusion score

Side-by-Side Comparison

Feature	Bus	by
Definition	ônibus.	por;

Letter map: Bus vs by

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

3 ch

Bus

2 ch

Part-of-speech tell for Bus / by

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Bus is anoun and byapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15274, derived from the frequency rank of both members and their visual similarity.

Bus is recorded at frequency rank #13,676, classified as anoun, pronounced Geral^(fonte ?). by is at rank #1,598, tagged as aprep.

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 15274, this pair ranks #56,591 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Bus vs by

Shared letters: b. Private to "Bus": su. Private to "by": y.

"Bus" · 3 letters · shape CVC · "by" · 2 letters · shape CV

Frequently Asked Questions

Can "Bus" and "by" be used interchangeably?

No - they are not even the same part of speech. "Bus" is a noun and "by" a preposition, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "Bus" vs "by" - which ranks higher?

"by" is the more common of the two: it sits at frequency rank #1,598 in our Portuguese list, against #13,676 for "Bus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

Full dictionary entry for "Bus" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "by" - compare definitions side by side with the headword page. Word entry
This pair ranks #56,591 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"Bus" and "by" also get mixed up with nearby pairs, the highest-scored neighbour is "bué vs Bus". Nearby pair

Confusion rank #56,591 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.