cardvscasTell them apart

Which to use

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

#16,783
“card” frequency rank
#19,656
“cas” frequency rank
36439
confusion score

Side-by-Side Comparison

Feature card cas
Definition Tarjeta. Caso.

Where the eye mixes card and cas

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

4 ch
card
3 ch
cas

Why the eye confuses card with cas

A purely visual mix-up. card (/kɑːd/) 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 1 letter(s) in length. Our composite confusion score for this pair is 36439, derived from the frequency rank of both members and their visual similarity.

card is recorded at frequency rank #16,783, classified as anoun, pronounced /kɑːd/. 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 36439, this pair ranks #180,599 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of card vs cas

Shared letters: ac. Private to "card": dr. Private to "cas": s.

"card" · 4 letters · shape CVCC  ·  "cas" · 3 letters · shape CVC

Known mistypes of this pair

  • cardacrd · cadr · cardd · carrd · ccard · crad

Frequently Asked Questions

Can "card" and "cas" be used interchangeably?
No. They are said differently (/kɑːd/ versus [ˈkas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "card" or "cas"?
"card" is the more common of the two: it sits at frequency rank #16,783 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.

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 "card" 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 #180,599 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "card" and "cas" also get mixed up with nearby pairs, the highest-scored neighbour is "cas vs cuc". 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 #180,599 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