Which to use
“bak” is a noun and “bis” is a preposition - they look or sound alike but fill different roles in a sentence.
- #38,589
- “bak” frequency rank
- #14,300
- “bis” frequency rank
- 52889
- confusion score
Side-by-Side Comparison
| Feature | bak | bis |
|---|---|---|
| Definition | retaguarda, parte traseira | até |
Letter map: bak vs bis
Shared letters muted; letters that set bak and bis apart highlighted. Shared run: 1.
Role in the sentence - bak and bis
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bak is anoun and bisapreposition. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 52889, derived from the frequency rank of both members and their visual similarity.
bak is recorded at frequency rank #38,589, classified as anoun, pronounced /ˈbaːk/. bis is at rank #14,300, 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 52889, this pair ranks #12,415 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of bak vs bis
Shared letters: b. Private to "bak": ak. Private to "bis": is.
"bak" · 3 letters · shape CVC · "bis" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bak" for "bis" ever safe?
Frequency check: "bak" vs "bis" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "bak" and "bis".
- Full dictionary entry for "bak" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,415 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "bak" and "bis" also get mixed up with nearby pairs, the highest-scored neighbour is "bak vs bué". Nearby pair
Confusion rank #12,415 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.