cartillavscasillaWhich spelling fits?

Which to use

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

#26,749
“cartilla” frequency rank
#10,993
“casilla” frequency rank
37742
confusion score

Side-by-Side Comparison

Feature cartilla casilla
Definition Cuaderno pequeño, impreso, que contiene las letras del alfabeto y los primeros rudimentos para aprender a leer. Cada división de las que se compone un casillero.

Where the eye mixes cartilla and casilla

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
cartilla
7 ch
casilla

Look-alike desk: cartilla vs casilla

A purely visual mix-up. cartilla ([kaɾˈt̪iʝa]) and casilla ([kaˈsiʝa]) 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 37742, derived from the frequency rank of both members and their visual similarity.

cartilla is recorded at frequency rank #26,749, classified as anoun, pronounced [kaɾˈt̪iʝa]. casilla is at rank #10,993, tagged as anoun, pronounced [kaˈsiʝa].

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 37742, this pair ranks #173,720 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cartilla vs casilla

Shared letters: acil. Private to "cartilla": rt. Private to "casilla": s.

"cartilla" · 8 letters · shape CVCCVCCV  ·  "casilla" · 7 letters · shape CVCVCCV

Known mistypes of this pair

  • cartillaacrtilla · caritlla · carrtilla · cartila · cartilal · cartlila · carttilla · catrilla
  • casillaacsilla · cacilla · caislla · casila · casilal · caslila · cassilla · ccasilla

Frequently Asked Questions

Do "cartilla" and "casilla" mean the same thing in a sentence?
No. They are said differently ([kaɾˈt̪iʝa] versus [kaˈsiʝa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cartilla" vs "casilla" - which ranks higher?
"casilla" is the more common of the two: it sits at frequency rank #10,993 in our Spanish list, against #26,749 for "cartilla". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "cartilla" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "casilla" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #173,720 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cartilla" and "casilla" also get mixed up with nearby pairs, the highest-scored neighbour is "canilla vs cartilla". 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 #173,720 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