casenvscesanConfusable pair

Which to use

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

#31,692
“casen” frequency rank
#40,706
“cesan” frequency rank
72398
confusion score

Side-by-Side Comparison

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

Where the eye mixes casen and cesan

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

5 ch
casen
5 ch
cesan

Why the eye confuses casen with cesan

A purely visual mix-up. casen ([ˈkasẽn]) and cesan ([ˈsesãn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they are an anagram pair: the same letters reordered. Our composite confusion score for this pair is 72398, derived from the frequency rank of both members and their visual similarity.

casen is recorded at frequency rank #31,692, classified as averb, pronounced [ˈkasẽn]. cesan is at rank #40,706, tagged as averb, pronounced [ˈsesãn].

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 72398, this pair ranks #25,422 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of casen vs cesan

Shared letters: acens. Private to "casen": -. Private to "cesan": -.

"casen" · 5 letters · shape CVCVC  ·  "cesan" · 5 letters · shape CVCVC

Known mistypes of this pair

  • casen ← acsen · cacen · caesn · casenn · cassen · ccasen · csaen
  • cesan ← ccesan · ceasn · cesann · cesna · cessan · csean · ecsan · sesan

Frequently Asked Questions

Can "casen" and "cesan" be used interchangeably?
No. They are said differently ([ˈkasẽn] versus [ˈsesãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "casen" or "cesan" show up more?
"casen" is the more common of the two: it sits at frequency rank #31,692 in our Spanish list, against #40,706 for "cesan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "casen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cesan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #25,422 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casen" and "cesan" also get mixed up with nearby pairs, the highest-scored neighbour is "ceba vs cesan". 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 #25,422 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