Which to use
“bac” and “bus” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,148
- “bac” frequency rank
- #4,683
- “bus” frequency rank
- 49831
- confusion score
Side-by-Side Comparison
| Feature | bac | bus |
|---|---|---|
| Definition | Transbordador. | Vehículo automotor para pasajeros de gran capacidad y recorrido fijo dentro de una urbe. |
Where the eye mixes bac and bus
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses bac with bus
A purely visual mix-up. bac (/bak/) and bus ([ˈbus]) 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 49831, 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/. bus is at rank #4,683, tagged as anoun, pronounced [ˈbus].
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 49831, this pair ranks #106,614 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of bac vs bus
Shared letters: b. Private to "bac": ac. Private to "bus": su.
"bac" · 3 letters · shape CVC · "bus" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bac" for "bus" ever safe?
In ordinary Spanish text, does "bac" or "bus" show up more?
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 "bus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #106,614 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "bac" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "bac vs bane". Nearby pair
Confusion rank #106,614 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.