caso

/ˈka.zu/

//ˈka.zu// conj

The verdict

“caso” sits in 20 confusable pairs (corpus #181) as a conjunction. The look-alike neighbours are the real trap.

#181
frequency rank, Portuguese
2,140
“C” headwords
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - na hipótese de; se

Corpus desk

Index PT-caso · caso · Portuguese

caso · rank #181 · 4 variants · 20 confusables

  • FREQ-CORE #181
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-LOW 4 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH deve

Nearest frequency peer: deve (+1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbourhood for “caso”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “caso” sits against the nearest ranked Portuguese headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

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
LanguagePortuguese
Part of speechConjunction
IPA/ˈka.zu/
Letters4
Frequency rank#181
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Onde “caso” fica na frequência do português

Da esquerda para a direita: o pouco que carrega a fala diária, depois a cauda longa quase invisível.casocai aqui:

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

Os ticks avançam em logaritmo; cada um é da ordem de dez vezes mais raro. Na mesma faixa de raridade aparecem “deve” (#182), “história” (#183), “noite” (#177). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for caso is neighbouring look-alikes ("co", "cat", …), not just typos; it is aconjunction pronounced /ˈka.zu/. Frequency #181 among 2,140 “C” headwords. Gloss: "na hipótese de; se".

Our generated misspelling index lists 4 likely wrong-spelling variants for caso, with forms such as "acso", "casso", and "ccaso". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. 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.

This entry's etymology isn't recorded, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is caso, spelled C-A-S-O.

Definition

  1. 1
    na hipótese de; se

Recorded use

Wiktionary example

These source excerpts show how caso appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Eu teria aproveitado o fim de semana na praia caso não tivesse chovido.

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 Portuguese 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 /ˈka.zu/.
What does "caso" mean?
As a conjunction, "caso" means: na hipótese de; se
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 /ˈka.zu/. 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 Portuguese word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "caso", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 4 letters (nearest by frequency rank).

What to do next

You've looked up "caso". Here's where to go from here.

  • "caso" maps to 20 confusable pairs in this vintage; the highest-scored is "co". View pair
  • 4 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #181 among Portuguese headwords in this corpus. Corpus statistics
  • Browse more Portuguese words in the "C" letter cohort. C–Z browse

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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