CaseyvscaskConfusable pair

Quick tell: Casey is a name, cask is a noun, so they fill different roles in a sentence.

Which to use

“Casey” is a name and “cask” is a noun - they look or sound alike but fill different roles in a sentence.

#7,534
“Casey” frequency rank
#29,208
“cask” frequency rank
36742
confusion score

Side-by-Side Comparison

Feature Casey cask
Definition A surname from Irish. A large barrel for the storage of liquid, especially of alcoholic drinks. (See a diagram of cask sizes.)

Where the eye mixes Casey and cask

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

5 ch
Casey
4 ch
cask

Visual trap between Casey and cask

These two trip readers on the page rather than in the ear: Casey is /ˈkeɪsi/ while cask is /kɑːsk/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 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 36742, 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/. cask is at rank #29,208, tagged as anoun, pronounced /kɑːsk/.

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 36742, this pair ranks #300,549 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Casey vs cask

Shared letters: acs. Private to "Casey": ey. Private to "cask": k.

"Casey" · 5 letters · shape CVCVV  ·  "cask" · 4 letters · shape CVCC

Known mistypes of this pair

  • Caseyacsey · caesy · caseyy · cassey · casye · ccasey · csaey
  • caskacsk · caks · caskk · cassk · ccask · csak

Frequently Asked Questions

Can "Casey" and "cask" be used interchangeably?
No - they are not even the same part of speech. "Casey" is a name and "cask" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Casey" vs "cask" - which ranks higher?
"Casey" is the more common of the two: it sits at frequency rank #7,534 in our English list, against #29,208 for "cask". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Casey" and "cask" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Casey" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cask" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #300,549 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Casey" and "cask" also get mixed up with nearby pairs, the highest-scored neighbour is "cask vs CSX". 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 #300,549 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