casasvscatsTell them apart

Which to use

“casas” and “cats” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,052
“casas” frequency rank
#47,632
“cats” frequency rank
48684
confusion score

Side-by-Side Comparison

Feature casas cats
Definition Edificio para habitar. Forma del plural de cat.

Where the eye mixes casas and cats

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

5 ch
casas
4 ch
cats

Why the eye confuses casas with cats

A purely visual mix-up. casas ([ˈkasas]) and cats (/kæts/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48684, derived from the frequency rank of both members and their visual similarity.

casas is recorded at frequency rank #1,052, classified as anoun, pronounced [ˈkasas]. cats is at rank #47,632, tagged as anoun, pronounced /kæts/.

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 48684, this pair ranks #113,068 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casas vs cats

Shared letters: acs. Private to "casas": -. Private to "cats": t.

"casas" · 5 letters · shape CVCVC  ·  "cats" · 4 letters · shape CVCC

Known mistypes of this pair

  • casasacsas · caass · casass · cassas · ccasas · csaas
  • catsacts · catss · catts · ccats · ctas

Frequently Asked Questions

Is swapping "casas" for "cats" ever safe?
No. They are said differently ([ˈkasas] versus /kæts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "casas" or "cats" show up more?
"casas" is the more common of the two: it sits at frequency rank #1,052 in our Spanish list, against #47,632 for "cats". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "casas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cats" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #113,068 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casas" and "cats" also get mixed up with nearby pairs, the highest-scored neighbour is "catre vs cats". 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 #113,068 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list