Which to use
“cas” and “cats” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #19,656
- “cas” frequency rank
- #47,632
- “cats” frequency rank
- 67288
- confusion score
Side-by-Side Comparison
| Feature | cas | cats |
|---|---|---|
| Definition | Caso. | Forma del plural de cat. |
Where the eye mixes cas and cats
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. cas runs 3 letters (CVC) against cats's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses cas with cats
A purely visual mix-up. cas ([ˈkas]) 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 67288, 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]. 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 67288, this pair ranks #37,535 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of cas vs cats
Shared letters: acs. Private to "cas": -. Private to "cats": t.
"cas" · 3 letters · shape CVC · "cats" · 4 letters · shape CVCC
Known mistypes of this pair
- cats ← acts · catss · catts · ccats · ctas
Frequently Asked Questions
Can "cas" and "cats" be used interchangeably?
Frequency check: "cas" vs "cats" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "cas" 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 #37,535 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "cas" 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 #37,535 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.