Which to use
“bis” is a preposition and “bom” is an adjective - they look or sound alike but fill different roles in a sentence.
- #14,300
- “bis” frequency rank
- #96
- “bom” frequency rank
- 14396
- confusion score
Side-by-Side Comparison
| Feature | bis | bom |
|---|---|---|
| Definition | até | que corresponde plenamente ao que é exigido, desejado ou esperado quanto à sua natureza, adequação, função, eficácia, funcionamento etc. (falando de ser ou coisa) |
Letter map: bis vs bom
Shared letters muted; letters that set bis and bom apart highlighted. Shared run: 1.
Part-of-speech tell for bis / bom
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bis is apreposition and bomanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 14396, derived from the frequency rank of both members and their visual similarity.
bis is recorded at frequency rank #14,300, classified as aprep. bom is at rank #96, tagged as anadj.
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 14396, this pair ranks #57,697 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of bis vs bom
Shared letters: b. Private to "bis": is. Private to "bom": mo.
"bis" · 3 letters · shape CVC · "bom" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bis" for "bom" ever safe?
Which is more common, "bis" or "bom"?
Useful next steps
Pair "bis" vs "bom" is on the table, pick a follow-up below.
- Full dictionary entry for "bis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bom" - compare definitions side by side with the headword page. Word entry
- This pair ranks #57,697 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "bis" and "bom" also get mixed up with nearby pairs, the highest-scored neighbour is "bile vs bis". Nearby pair
Confusion rank #57,697 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.