Which to use
“cab” and “cas” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,504
- “cab” frequency rank
- #157
- “cas” frequency rank
- 22661
- confusion score
Side-by-Side Comparison
| Feature | cab | cas |
|---|---|---|
| Definition | Taxi britannique. | Accident, aventure, conjoncture, occasion ; fait arrivé, ou qui peut arriver. |
Where the eye mixes cab and cas
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses cab with cas
A purely visual mix-up. cab (\kab\) and cas (\kɑ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - b in “cab” becomes s in “cas”. Our composite confusion score for this pair is 22661, derived from the frequency rank of both members and their visual similarity.
cab is recorded at frequency rank #22,504, classified as anoun, pronounced \kab\. cas is at rank #157, tagged as anoun, pronounced \kɑ\.
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 22661, this pair ranks #356,783 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of cab vs cas
Shared letters: ac. Private to "cab": b. Private to "cas": s.
"cab" · 3 letters · shape CVC · "cas" · 3 letters · shape CVC
Frequently Asked Questions
Do "cab" and "cas" mean the same thing in a sentence?
Which is more common, "cab" or "cas"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "cab" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #356,783 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cab" and "cas" also get mixed up with nearby pairs, the highest-scored neighbour is "cab vs CCE". Nearby pair
Confusion rank #356,783 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.