Which to use
“cac” is a noun and “cair” is a verb - they look or sound alike but fill different roles in a sentence.
- #33,969
- “cac” frequency rank
- #47,515
- “cair” frequency rank
- 81484
- confusion score
Side-by-Side Comparison
| Feature | cac | cair |
|---|---|---|
| Definition | A white (Caucasian) person. | To go. |
Letter map: cac vs cair
Shared letters muted; letters that set cac and cair apart highlighted. Shared run: 2. cac runs 3 letters (CVC) against cair's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - cac and cair
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cac is anoun and cairaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 81484, derived from the frequency rank of both members and their visual similarity.
cac is recorded at frequency rank #33,969, classified as anoun, pronounced /kæk/. 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 81484, this pair ranks #17,590 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of cac vs cair
Shared letters: ac. Private to "cac": -. Private to "cair": ir.
"cac" · 3 letters · shape CVC · "cair" · 4 letters · shape CVVC
Known mistypes of this pair
- cair ← acir · cairr · cari · ccair · ciar
Frequently Asked Questions
Is swapping "cac" for "cair" ever safe?
Frequency check: "cac" vs "cair" - which ranks higher?
After this comparison
You've compared "cac" and "cair". Here's where to go from here.
- Full dictionary entry for "cac" 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 #17,590 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cac" 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 #17,590 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.