cas vs cat, What's the Difference?

Which to use

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

#19,656
“cas” frequency rank: #10,282
“cat” frequency rank: 29938
confusion score

Side-by-Side Comparison

Feature	cas	cat
Definition	Caso.	(Felis silvestris catus) Gato.

Where the eye mixes cas and cat

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch

cas

3 ch

cat

Look-alike desk: cas vs cat

A purely visual mix-up. cas ([ˈkas]) and cat ([ˈkaʰt̪]) 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 a single letter - s in “cas” becomes t in “cat”. Our composite confusion score for this pair is 29938, derived from the frequency rank of both members and their visual similarity.

cas is recorded at frequency rank #19,656, classified as anoun, pronounced [ˈkas]. cat is at rank #10,282, tagged as anoun, pronounced [ˈkaʰt̪].

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 29938, this pair ranks #214,485 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cas vs cat

Shared letters: ac. Private to "cas": s. Private to "cat": t.

"cas" · 3 letters · shape CVC · "cat" · 3 letters · shape CVC

Frequently Asked Questions

Can "cas" and "cat" be used interchangeably?

No. They are said differently ([ˈkas] versus [ˈkaʰt̪]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

In ordinary Spanish text, does "cas" or "cat" show up more?

"cat" is the more common of the two: it sits at frequency rank #10,282 in our Spanish list, against #19,656 for "cas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "cas" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "cat" - compare definitions side by side with the headword page. Word entry
This pair ranks #214,485 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"cas" and "cat" also get mixed up with nearby pairs, the highest-scored neighbour is "cas vs cuc". Nearby pair

Confusion rank #214,485 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.