caskvsCESWhich spelling fits?

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

Which to use

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

#29,208
“cask” frequency rank
#22,610
“CES” frequency rank
51818
confusion score

Side-by-Side Comparison

Feature cask CES
Definition A large barrel for the storage of liquid, especially of alcoholic drinks. (See a diagram of cask sizes.) Center for Employee Services.

Letter map: cask vs CES

Shared letters muted; letters that set cask and CES apart highlighted. Shared run: 2.

4 ch
cask
3 ch
CES

Grammar separator: cask vs CES

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cask is anoun and CESaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 51818, derived from the frequency rank of both members and their visual similarity.

cask is recorded at frequency rank #29,208, classified as anoun, pronounced /kɑːsk/. CES is at rank #22,610, 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 51818, this pair ranks #162,225 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cask vs CES

Shared letters: cs. Private to "cask": ak. Private to "CES": e.

"cask" · 4 letters · shape CVCC  ·  "CES" · 3 letters · shape CVC

Known mistypes of this pair

  • caskacsk · caks · caskk · cassk · ccask · csak

Frequently Asked Questions

Can "cask" and "CES" be used interchangeably?
No - they are not even the same part of speech. "cask" is a noun and "CES" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cask" or "CES"?
"CES" is the more common of the two: it sits at frequency rank #22,610 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.

After this comparison

Pair "cask" vs "CES" is on the table, pick a follow-up below.

  • Full dictionary entry for "cask" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CES" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #162,225 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cask" and "CES" 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 #162,225 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