casi
[ˈkasi]
The verdict
“casi” is in the everyday core of Spanish, ranked #221 in Spanish word frequency and used as an adverb.
- #221
- frequency rank, Spanish
- 4
- letters
- 6
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Que por poca diferencia no es, que tiene mucha semejanza.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | casi |
| Language | Spanish |
| Part of speech | Adverb |
| IPA | [ˈkasi] |
| Letters | 4 |
| Frequency rank | #221 |
| Misspellings tracked | 6 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “casi” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for casi is 4 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as [ˈkasi]. Corpus data places it at rank #221 in overall Spanish word frequency, putting it firmly in the everyday core of the language. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 6 likely wrong-spelling variants for casi, with forms such as "acsi", "caci", and "cais". 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, "chi", "cat", "cis", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No explicit etymology string is stored for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct Spanish form is casi, spelled C-A-S-I.
Definition
- 1Que por poca diferencia no es, que tiene mucha semejanza.
- 2Cantidad aproximada de algo, no específica.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: acsi,caci,cais,cassi,ccasi,csai
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of casi - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 "casi"?
What does "casi" mean?
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Is PlainSpell free to use?
Using “casi”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is C-A-S-I - every other letter order is a misspelling in standard orthography.
- Say it as [ˈkasi] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “chi” - see the side-by-side comparison. casi vs chi
- 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.