casavscatsWhat's the difference?

Which to use

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

#136
“casa” frequency rank
#47,632
“cats” frequency rank
47768
confusion score

Side-by-Side Comparison

Feature casa cats
Definition Edificación destinada a vivienda. Forma del plural de cat.

Where the eye mixes casa and cats

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. casa (CVCV) and cats (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
casa
4 ch
cats

Look-alike desk: casa vs cats

A purely visual mix-up. casa ([ˈkasa]) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 47768, derived from the frequency rank of both members and their visual similarity.

casa is recorded at frequency rank #136, classified as anoun, pronounced [ˈkasa]. 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 47768, this pair ranks #118,218 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casa vs cats

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

"casa" · 4 letters · shape CVCV  ·  "cats" · 4 letters · shape CVCC

Known mistypes of this pair

  • casa ← acsa · caas · cassa · ccasa · csaa
  • cats ← acts · catss · catts · ccats · ctas

Frequently Asked Questions

Is swapping "casa" for "cats" ever safe?
No. They are said differently ([ˈkasa] versus /kæts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "casa" vs "cats" - which ranks higher?
"casa" is the more common of the two: it sits at frequency rank #136 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.

What to do next

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

  • Full dictionary entry for "casa" 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 #118,218 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casa" 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 #118,218 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