Which to use
“bas” is an adjective and “bus” is a noun - they look or sound alike but fill different roles in a sentence.
- #25,153
- “bas” frequency rank
- #4,683
- “bus” frequency rank
- 29836
- confusion score
Side-by-Side Comparison
| Feature | bas | bus |
|---|---|---|
| Definition | Bajo. | Vehículo automotor para pasajeros de gran capacidad y recorrido fijo dentro de una urbe. |
Where the eye mixes bas and bus
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses bas with bus
These two trip readers on the page rather than in the ear: bas is /bɑ/ while bus is [ˈbus]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “bas” becomes u in “bus”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 29836, derived from the frequency rank of both members and their visual similarity.
bas is recorded at frequency rank #25,153, classified as anadj, pronounced /bɑ/. 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 29836, this pair ranks #215,032 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of bas vs bus
Shared letters: bs. Private to "bas": a. Private to "bus": u.
"bas" · 3 letters · shape CVC · "bus" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bas" for "bus" ever safe?
Which is more common, "bas" or "bus"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "bas" 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 #215,032 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "bas" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "bane vs bas". Nearby pair
Confusion rank #215,032 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.