Which to use
“Kasey” is a name and “key” is a noun - they look or sound alike but fill different roles in a sentence.
- #44,291
- “Kasey” frequency rank
- #788
- “key” frequency rank
- 45079
- confusion score
Side-by-Side Comparison
| Feature | Kasey | key |
|---|---|---|
| Definition | A male given name. | An object designed to open and close a lock. |
Where the eye mixes Kasey and key
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Kasey runs 5 letters (CVCVV) against key's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: Kasey vs key
These two trip readers on the page rather than in the ear: Kasey is /ˈkeɪsi/ while key is /kiː/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45079, derived from the frequency rank of both members and their visual similarity.
Kasey is recorded at frequency rank #44,291, classified as aname, pronounced /ˈkeɪsi/. key is at rank #788, tagged as anoun, pronounced /kiː/.
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 45079, this pair ranks #224,616 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Kasey vs key
Shared letters: eky. Private to "Kasey": as. Private to "key": -.
"Kasey" · 5 letters · shape CVCVV · "key" · 3 letters · shape CVV
Known mistypes of this pair
- Kasey ← aksey · kaesy · kaseyy · kassey · kasye · kkasey · ksaey
Frequently Asked Questions
Can "Kasey" and "key" be used interchangeably?
Which is more common, "Kasey" or "key"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "Kasey" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "key" - compare definitions side by side with the headword page. Word entry
- This pair ranks #224,616 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Kasey" and "key" 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 #224,616 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.