casarvscasenWhat's the difference?

Which to use

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

#8,771
“casar” frequency rank
#31,692
“casen” frequency rank
40463
confusion score

Side-by-Side Comparison

Feature casar casen
Definition Anular. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de subjuntivo de casar o de casarse.

Where the eye mixes casar and casen

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. casar and casen follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
casar
5 ch
casen

Visual trap between casar and casen

A purely visual mix-up. casar ([kaˈsaɾ]) and casen ([ˈkasẽn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40463, derived from the frequency rank of both members and their visual similarity.

casar is recorded at frequency rank #8,771, classified as averb, pronounced [kaˈsaɾ]. casen is at rank #31,692, tagged as averb, pronounced [ˈkasẽn].

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 40463, this pair ranks #158,957 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casar vs casen

Shared letters: acs. Private to "casar": r. Private to "casen": en.

"casar" · 5 letters · shape CVCVC  ·  "casen" · 5 letters · shape CVCVC

Known mistypes of this pair

  • casaracsar · caasr · casarr · casra · cassar · ccasar · csaar
  • casenacsen · cacen · caesn · casenn · cassen · ccasen · csaen

Frequently Asked Questions

Is swapping "casar" for "casen" ever safe?
No. They are said differently ([kaˈsaɾ] versus [ˈkasẽn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "casar" or "casen"?
"casar" is the more common of the two: it sits at frequency rank #8,771 in our Spanish list, against #31,692 for "casen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "casar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "casen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #158,957 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casar" and "casen" also get mixed up with nearby pairs, the highest-scored neighbour is "calmen vs casen". 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 #158,957 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