Which to use
“bis” is a preposition and “bon” is an adjective - they look or sound alike but fill different roles in a sentence.
- #14,300
- “bis” frequency rank
- #10,479
- “bon” frequency rank
- 24779
- confusion score
Side-by-Side Comparison
| Feature | bis | bon |
|---|---|---|
| Definition | até | bom |
Letter map: bis vs bon
Shared letters muted; letters that set bis and bon apart highlighted. Shared run: 1.
Part-of-speech tell for bis / bon
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bis is apreposition and bonanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 24779, derived from the frequency rank of both members and their visual similarity.
bis is recorded at frequency rank #14,300, classified as aprep. bon is at rank #10,479, 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 24779, this pair ranks #44,717 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of bis vs bon
Shared letters: b. Private to "bis": is. Private to "bon": no.
"bis" · 3 letters · shape CVC · "bon" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bis" for "bon" ever safe?
In ordinary Portuguese text, does "bis" or "bon" show up more?
Useful next steps
You've compared "bis" and "bon". Here's where to go from here.
- Full dictionary entry for "bis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #44,717 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "bis" and "bon" also get mixed up with nearby pairs, the highest-scored neighbour is "bile vs bis". Nearby pair
Confusion rank #44,717 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.