Which to use
“car” is a conjunction and “cas” is a noun - they look or sound alike but fill different roles in a sentence.
- #162
- “car” frequency rank
- #157
- “cas” frequency rank
- 319
- confusion score
Side-by-Side Comparison
| Feature | car | cas |
|---|---|---|
| Definition | Introduit une explication, une raison, une cause à une proposition. | Accident, aventure, conjoncture, occasion ; fait arrivé, ou qui peut arriver. |
Where the eye mixes car and cas
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: car vs cas
These two trip readers on the page rather than in the ear: car is \kaʁ\ while cas is \kɑ\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “car” becomes s in “cas”, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 319, derived from the frequency rank of both members and their visual similarity.
car is recorded at frequency rank #162, classified as aconj, pronounced \kaʁ\. 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 319, this pair ranks #439,821 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of car vs cas
Shared letters: ac. Private to "car": r. Private to "cas": s.
"car" · 3 letters · shape CVC · "cas" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "car" for "cas" ever safe?
Frequency check: "car" vs "cas" - which ranks higher?
Useful next steps
Eye-level mix-up between "car" and "cas" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "car" 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 #439,821 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "car" and "cas" also get mixed up with nearby pairs, the highest-scored neighbour is "car vs ciro". Nearby pair
Confusion rank #439,821 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.