Which to use
“bac” and “bis” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,148
- “bac” frequency rank
- #15,023
- “bis” frequency rank
- 60171
- confusion score
Side-by-Side Comparison
| Feature | bac | bis |
|---|---|---|
| Definition | Transbordador. | Repetición de un espectáculo o actuación. |
Where the eye mixes bac and bis
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses bac with bis
A purely visual mix-up. bac (/bak/) and bis ([ˈbis]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 60171, derived from the frequency rank of both members and their visual similarity.
bac is recorded at frequency rank #45,148, classified as anoun, pronounced /bak/. bis is at rank #15,023, tagged as anoun, pronounced [ˈbis].
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 60171, this pair ranks #59,898 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of bac vs bis
Shared letters: b. Private to "bac": ac. Private to "bis": is.
"bac" · 3 letters · shape CVC · "bis" · 3 letters · shape CVC
Frequently Asked Questions
Do "bac" and "bis" mean the same thing in a sentence?
Which is more common, "bac" or "bis"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "bac" 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 #59,898 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "bac" and "bis" also get mixed up with nearby pairs, the highest-scored neighbour is "bac vs bane". Nearby pair
Confusion rank #59,898 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.