Which to use
“cab” is a noun and “cair” is a verb - they look or sound alike but fill different roles in a sentence.
- #7,658
- “cab” frequency rank
- #47,515
- “cair” frequency rank
- 55173
- confusion score
Side-by-Side Comparison
| Feature | cab | cair |
|---|---|---|
| Definition | A compartment at the front of a truck or train for the driver. | To go. |
Letter map: cab vs cair
Shared letters muted; letters that set cab and cair apart highlighted. Shared run: 2.
Part-of-speech tell for cab / cair
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cab is anoun and cairaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55173, derived from the frequency rank of both members and their visual similarity.
cab is recorded at frequency rank #7,658, classified as anoun, pronounced /kæb/. cair is at rank #47,515, tagged as averb.
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 55173, this pair ranks #135,626 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cab vs cair
Shared letters: ac. Private to "cab": b. Private to "cair": ir.
"cab" · 3 letters · shape CVC · "cair" · 4 letters · shape CVVC
Known mistypes of this pair
- cair ← acir · cairr · cari · ccair · ciar
Frequently Asked Questions
Can "cab" and "cair" be used interchangeably?
Which is more common, "cab" or "cair"?
After this comparison
Done with this confusable. These links stay specific to "cab" and "cair".
- Full dictionary entry for "cab" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cair" - compare definitions side by side with the headword page. Word entry
- This pair ranks #135,626 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cab" and "cair" also get mixed up with nearby pairs, the highest-scored neighbour is "cair vs CCI". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #135,626 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.