caso

[ˈkaso]

/[ˈkaso]/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“caso” is in the everyday core of Spanish, ranked #157 in Spanish word frequency and used as a noun.

#157
frequency rank, Spanish
4
letters
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Cada una de varias instancias consideradas como pertenecientes a un mismo tipo de situaciones o cosas (como los casos de una enfermedad, etc.).

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

caso vs co
50% similar
caso vs cat
50% similar
caso vs ceo
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for caso
PropertyValue
Headwordcaso
LanguageSpanish
Part of speechNoun
IPA[ˈkaso]
Letters4
Frequency rank#157
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “caso” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). caso lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Spanish entry for caso is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ˈkaso]. Corpus data places it at rank #157 in overall Spanish word frequency, putting it firmly in the everyday core of the language. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 4 likely wrong-spelling variants for caso, with forms such as "acso", "casso", and "ccaso". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "co", "cat", "ceo", and more, where similar look or sound leads writers to substitute one word for another in context.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Spanish form is caso, spelled C-A-S-O.

Definition

  1. 1
    Cada una de varias instancias consideradas como pertenecientes a un mismo tipo de situaciones o cosas (como los casos de una enfermedad, etc.).
  2. 2
    Evento o asunto llevado ante la consideración de la justicia o investigado por los organismos competentes.
  3. 3
    Suceso expuesto por su notoriedad en la prensa o mediante rumores.
  4. 4
    Propiedad gramatical presente en algunos idiomas, que indica mediante modificaciones del pronombre, el sustantivo o el adjetivo el papel sintáctico que estos cumplen en una frase determinada.
  5. 5
    Cada una de las funciones denotadas por los casos₄ de la flexión.
  6. 6
    Narración tradicional de una circunstancia o tipo de situación que se relata o cita como ejemplo.

This word in other languages

case(English)cas(Français)Fall(Deutsch)caso(Português)

Common misspellings

Also misspelled as: acso,casso,ccaso,csao

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of caso - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

acso2casso1ccaso1csao2
Edit distance from "caso"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "caso"?
"caso" is spelled C-A-S-O. The IPA pronunciation is [ˈkaso].
What does "caso" mean?
As a noun, "caso" means: Cada una de varias instancias consideradas como pertenecientes a un mismo tipo de situaciones o cosas (como los casos de una enfermedad, etc.).
What words are commonly confused with "caso"?
"caso" is commonly confused with "co", "cat", "ceo". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "caso"?
The IPA (International Phonetic Alphabet) transcription for "caso" is [ˈkaso]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "caso" come from?
"caso" is a Spanish word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “caso”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is C-A-S-O - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈkaso] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “co” - see the side-by-side comparison. caso vs co
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

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