Which to use
“Casey” and “Kasey” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,534
- “Casey” frequency rank
- #44,291
- “Kasey” frequency rank
- 51825
- confusion score
Side-by-Side Comparison
| Feature | Casey | Kasey |
|---|---|---|
| Definition | A surname from Irish. | A male given name. |
Same sound, different letters: Casey vs Kasey
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 4 letters. Casey and Kasey follow the identical consonant-vowel pattern (CVCVV). Same shape at a glance is often the real trap, independent of shared letters.
Homophone desk: Casey vs Kasey
This is the hard kind. Casey and Kasey are pronounced identically (/ˈkeɪsi/) and both work as aname. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by a single letter - c in “Casey” becomes k in “Kasey”. Our composite confusion score for this pair is 51825, derived from the frequency rank of both members and their visual similarity.
Casey is recorded at frequency rank #7,534, classified as aname, pronounced /ˈkeɪsi/. Kasey is at rank #44,291, tagged as aname, pronounced /ˈkeɪsi/.
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 51825, this pair ranks #162,174 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Casey vs Kasey
Shared letters: aesy. Private to "Casey": c. Private to "Kasey": k.
"Casey" · 5 letters · shape CVCVV · "Kasey" · 5 letters · shape CVCVV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Casey" for "Kasey" ever safe?
Which is more common, "Casey" or "Kasey"?
Useful next steps
"Casey" and "Kasey" share a sound, keep the gloss open, then jump to the headword or a nearby trap.
- Full dictionary entry for "Casey" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Kasey" - compare definitions side by side with the headword page. Word entry
- This pair ranks #162,174 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Casey" and "Kasey" also get mixed up with nearby pairs, the highest-scored neighbour is "Kandy vs Kasey". 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 #162,174 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.