Which to use
“canis” and “cas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,607
- “canis” frequency rank
- #19,656
- “cas” frequency rank
- 64263
- confusion score
Side-by-Side Comparison
| Feature | canis | cas |
|---|---|---|
| Definition | Perro, perra. | Caso. |
Where the eye mixes canis and cas
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between canis and cas
A purely visual mix-up. canis (/ˈka.nis/) and cas ([ˈkas]) 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 2 letter(s) in length. Our composite confusion score for this pair is 64263, derived from the frequency rank of both members and their visual similarity.
canis is recorded at frequency rank #44,607, classified as anoun, pronounced /ˈka.nis/. cas is at rank #19,656, tagged as anoun, pronounced [ˈkas].
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 64263, this pair ranks #46,124 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of canis vs cas
Shared letters: acs. Private to "canis": in. Private to "cas": -.
"canis" · 5 letters · shape CVCVC · "cas" · 3 letters · shape CVC
Known mistypes of this pair
- canis ← acnis · cains · caniss · cannis · cansi · ccanis · cnais
Frequently Asked Questions
Is swapping "canis" for "cas" ever safe?
In ordinary Spanish text, does "canis" or "cas" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "canis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #46,124 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "canis" and "cas" also get mixed up with nearby pairs, the highest-scored neighbour is "canis 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 #46,124 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.