cas

/kæʒ/

//kæʒ// adj

"cas" is a 3-letter English headword indexed on PlainSpell.

The verdict

“cas” sits in 20 confusable pairs (corpus #14,713) as an adjective. The look-alike neighbours are the real trap.

#14,713
frequency rank, English
5,599
“C” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of casual.

Corpus desk

Index EN-cas · cas · English

cas · rank #14,713 · 0 variants · 20 confusables

  • FREQ-MID #14,713
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH carving

Nearest frequency peer: carving (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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 neighbours of confusable “cas”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “cas” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

cas vs co
33% similar
cas vs CD
0% similar
cas vs CM
0% similar

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

Key facts for cas
PropertyValue
Headwordcas
LanguageEnglish
Part of speechAdjective
IPA/kæʒ/
Letters3
Frequency rank#14,713
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “cas”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).caslands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “carving” (#14,712), “Cass” (#14,714), “bruh” (#14,711). Among 5,599 “C” headwords, “cas” is #14,713. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for cas is neighbouring look-alikes ("co", "CD", …), not just typos; it is anadjective pronounced /kæʒ/. Frequency #14,713 among 5,599 “C” headwords. Gloss: "Abbreviation of casual.".

cas doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "co", "CD", "CM", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is cas, spelled C-A-S.

Definition

  1. 1
    Abbreviation of casual.

Recorded use

Wiktionary example

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

  1. don't feel like you have to dress up. I mean, we're super cas here

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cas"?
"cas" is spelled C-A-S. The IPA pronunciation is /kæʒ/.
What does "cas" mean?
As an adjective, "cas" means: Abbreviation of casual.
What words are commonly confused with "cas"?
"cas" is commonly confused with "co", "CD", "CM". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "cas"?
The IPA (International Phonetic Alphabet) transcription for "cas" is /kæʒ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cas" come from?
"cas" is a English 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 English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list