CasasvscaskWhich spelling fits?

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

Which to use

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

#43,560
“Casas” frequency rank
#29,208
“cask” frequency rank
72768
confusion score

Side-by-Side Comparison

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

Letter map: Casas vs cask

Shared letters muted; letters that set Casas and cask apart highlighted. Shared run: 3.

5 ch
Casas
4 ch
cask

Role in the sentence - Casas and cask

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Casas is aname and caskanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 72768, derived from the frequency rank of both members and their visual similarity.

Casas is recorded at frequency rank #43,560, classified as aname. 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 72768, this pair ranks #41,928 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Casas vs cask

Shared letters: acs. Private to "Casas": -. Private to "cask": k.

"Casas" · 5 letters · shape CVCVC  ·  "cask" · 4 letters · shape CVCC

Known mistypes of this pair

  • Casasacsas · caass · casass · cassas · ccasas · csaas
  • caskacsk · caks · caskk · cassk · ccask · csak

Frequently Asked Questions

Is swapping "Casas" for "cask" ever safe?
No - they are not even the same part of speech. "Casas" is a name and "cask" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Casas" vs "cask" - which ranks higher?
"cask" is the more common of the two: it sits at frequency rank #29,208 in our English list, against #43,560 for "Casas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "Casas" and "cask". Here's where to go from here.

  • Full dictionary entry for "Casas" 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 #41,928 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Casas" and "cask" also get mixed up with nearby pairs, the highest-scored neighbour is "Casas vs cates". 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 #41,928 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