Which to use
“bom” is an adjective and “by” is a preposition - they look or sound alike but fill different roles in a sentence.
- #96
- “bom” frequency rank
- #1,598
- “by” frequency rank
- 1694
- confusion score
Side-by-Side Comparison
| Feature | bom | by |
|---|---|---|
| Definition | que corresponde plenamente ao que é exigido, desejado ou esperado quanto à sua natureza, adequação, função, eficácia, funcionamento etc. (falando de ser ou coisa) | por; |
Where the spellings diverge
Shared letters are muted; the letters that actually set bom and by apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
bom and by form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 1694, derived from the frequency rank of both members and their visual similarity.
bom is recorded at frequency rank #96, classified as anadj. 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 1694, this pair ranks #73,824 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "bom" and "by" be used interchangeably?
Remembering bom vs by
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “bom”; for a preposition, it's “by”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “bom” entry
- Browse more pairs most likely to be confused. Most confusable