CaseyvsCoreyWhat's the difference?

Which to use

“Casey” and “Corey” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,534
“Casey” frequency rank
#11,190
“Corey” frequency rank
18724
confusion score

Side-by-Side Comparison

Feature Casey Corey
Definition A surname from Irish. An English surname from Old Norse from the Old Norse given name Kóri, itself perhaps from Old Irish Cuire, from cuire (“troop, host, company”), from Proto-Celtic *koryos (“army, tribe”), from Proto-Indo-European *ker- (“army”).

Where the eye mixes Casey and Corey

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Casey
5 ch
Corey

Why the eye confuses Casey with Corey

A purely visual mix-up. Casey (/ˈkeɪsi/) and Corey (/ˈkɔː.ɹi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 18724, 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/. Corey is at rank #11,190, tagged as aname, pronounced /ˈkɔː.ɹi/.

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 18724, this pair ranks #442,973 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Casey vs Corey

Shared letters: cey. Private to "Casey": as. Private to "Corey": or.

"Casey" · 5 letters · shape CVCVV  ·  "Corey" · 5 letters · shape CVCVV

Known mistypes of this pair

  • Caseyacsey · caesy · caseyy · cassey · casye · ccasey · csaey
  • Coreyccorey · coery · coreyy · correy · corye · croey · ocrey

Frequently Asked Questions

Is swapping "Casey" for "Corey" ever safe?
No. They are said differently (/ˈkeɪsi/ versus /ˈkɔː.ɹi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "Casey" or "Corey" show up more?
"Casey" is the more common of the two: it sits at frequency rank #7,534 in our English list, against #11,190 for "Corey". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "Casey" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Corey" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #442,973 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Casey" and "Corey" also get mixed up with nearby pairs, the highest-scored neighbour is "Corey vs cower". 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 #442,973 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list