CasasvscasesTell them apart

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

Which to use

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

#43,560
“Casas” frequency rank
#965
“cases” frequency rank
44525
confusion score

Side-by-Side Comparison

Feature Casas cases
Definition A surname from Spanish. plural of case

Letter map: Casas vs cases

Shared letters muted; letters that set Casas and cases apart highlighted. Shared run: 4.

5 ch
Casas
5 ch
cases

Role in the sentence - Casas and cases

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Casas is aname and casesanoun. On the page they differ by a single letter - a in “Casas” becomes e in “cases”. Our composite confusion score for this pair is 44525, derived from the frequency rank of both members and their visual similarity.

Casas is recorded at frequency rank #43,560, classified as aname. cases is at rank #965, tagged as anoun, pronounced /ˈkeɪsɪz/.

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 44525, this pair ranks #229,712 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Casas vs cases

Shared letters: acs. Private to "Casas": -. Private to "cases": e.

"Casas" · 5 letters · shape CVCVC  ·  "cases" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Casasacsas · caass · casass · cassas · ccasas · csaas
  • casesacses · caess · casess · casses · ccases · csaes

Frequently Asked Questions

Can "Casas" and "cases" be used interchangeably?
No - they are not even the same part of speech. "Casas" is a name and "cases" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Casas" or "cases" show up more?
"cases" is the more common of the two: it sits at frequency rank #965 in our English list, against #43,560 for "Casas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "Casas" vs "cases" is on the table, pick a follow-up below.

  • Full dictionary entry for "Casas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cases" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #229,712 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Casas" and "cases" 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 #229,712 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