casaronvscostaronWhich spelling fits?

Which to use

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

#21,247
“casaron” frequency rank
#31,727
“costaron” frequency rank
52974
confusion score

Side-by-Side Comparison

Feature casaron costaron
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de casar o de casarse. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de costar.

Where the eye mixes casaron and costaron

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. casaron runs 7 letters (CVCVCVC) against costaron's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
casaron
8 ch
costaron

Why the eye confuses casaron with costaron

A purely visual mix-up. casaron ([kaˈsaɾõn]) and costaron ([kosˈt̪aɾõn]) 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 52974, derived from the frequency rank of both members and their visual similarity.

casaron is recorded at frequency rank #21,247, classified as averb, pronounced [kaˈsaɾõn]. costaron is at rank #31,727, tagged as averb, pronounced [kosˈt̪aɾõn].

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 52974, this pair ranks #90,164 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casaron vs costaron

Shared letters: acnors. Private to "casaron": -. Private to "costaron": t.

"casaron" · 7 letters · shape CVCVCVC  ·  "costaron" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • casaron ← acsaron · caasron · casaorn · casarno · casaronn · casarron · casraon · cassaron
  • costaron ← ccostaron · cosatron · cosstaron · costaorn · costarno · costaronn · costarron · costraon

Frequently Asked Questions

Can "casaron" and "costaron" be used interchangeably?
No. They are said differently ([kaˈsaɾõn] versus [kosˈt̪aɾõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "casaron" vs "costaron" - which ranks higher?
"casaron" is the more common of the two: it sits at frequency rank #21,247 in our Spanish list, against #31,727 for "costaron". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "casaron" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "costaron" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #90,164 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casaron" and "costaron" also get mixed up with nearby pairs, the highest-scored neighbour is "copiaron vs costaron". 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 #90,164 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