Which to use
“cair” is a verb and “Cui” is a name - they look or sound alike but fill different roles in a sentence.
- #47,515
- “cair” frequency rank
- #39,761
- “Cui” frequency rank
- 87276
- confusion score
Side-by-Side Comparison
| Feature | cair | Cui |
|---|---|---|
| Definition | To go. | A surname from Mandarin. |
Letter map: cair vs Cui
Shared letters muted; letters that set cair and Cui apart highlighted. Shared run: 2. cair runs 4 letters (CVVC) against Cui's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for cair / Cui
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cair is averb and Cuianame. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 87276, derived from the frequency rank of both members and their visual similarity.
cair is recorded at frequency rank #47,515, classified as averb. Cui is at rank #39,761, tagged as aname.
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 87276, this pair ranks #7,851 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of cair vs Cui
Shared letters: ci. Private to "cair": ar. Private to "Cui": u.
"cair" · 4 letters · shape CVVC · "Cui" · 3 letters · shape CVV
Known mistypes of this pair
- cair ← acir · cairr · cari · ccair · ciar
Frequently Asked Questions
Is swapping "cair" for "Cui" ever safe?
In ordinary English text, does "cair" or "Cui" show up more?
Useful next steps
Pair "cair" vs "Cui" is on the table, pick a follow-up below.
- Full dictionary entry for "cair" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Cui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,851 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cair" and "Cui" 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 #7,851 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.