castasvscastoWhat's the difference?

Which to use

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

#17,066
“castas” frequency rank
#44,616
“casto” frequency rank
61682
confusion score

Side-by-Side Comparison

Feature castas casto
Definition Forma del femenino plural de casto. Persona que se abstiene de todo goce sexual o lo vive de acuerdo a ciertas directrices dictadas por su religión o su moral.

Where the spellings diverge

Shared letters are muted; the letters that actually set castas and casto apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
castas
5 ch
casto

Spelling & Dictionary Insight

A purely visual mix-up. castas ([ˈkast̪as]) and casto ([ˈkast̪o]) 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 61682, derived from the frequency rank of both members and their visual similarity.

castas is recorded at frequency rank #17,066, classified as anadj, pronounced [ˈkast̪as]. casto is at rank #44,616, tagged as anadj, pronounced [ˈkast̪o].

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 61682, this pair ranks #54,602 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of castas vs casto

Shared letters: acst. Private to "castas": -. Private to "casto": o.

"castas" · 6 letters · shape CVCCVC  ·  "casto" · 5 letters · shape CVCCV

Known mistypes of this pair

  • castasacstas · casats · casstas · castass · castsa · casttas · catsas · ccastas
  • castoacsto · casot · cassto · castto · catso · ccasto · csato

Frequency comparison

castas#17,066
casto#44,616

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "castas" and "casto" be used interchangeably?
No. They are said differently ([ˈkast̪as] versus [ˈkast̪o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "castas" or "casto"?
"castas" is the more common of the two: it sits at frequency rank #17,066 in our Spanish list, against #44,616 for "casto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering castas vs casto

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “castas” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list