csi
Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.
Letters
3 characters
Language
English
word origin
Source
Wiktionary
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Detailed reference entry for the English word "csi", 3-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "csi" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "csi" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
CSI is aEnglishnoun. It means: Initialism of crime scene investigation (a term of forensic science). Often confused with CT and CV.
| Property | Value |
|---|---|
| Headword | CSI |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #20,894 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for CSI is 3 letters long, classified as anoun. Corpus data places it at rank #20,894 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
No frequent misspelling variants are recorded for CSI in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It also participates in 20 confusable-pair relationships, "CT", "CV", "CU", and more, where similar look or sound leads writers to substitute one word for another in context.
No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is CSI, spelled C-S-I, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1Initialism of crime scene investigation (a term of forensic science).
- 2Initialism of crime scene investigator.
- 3Initialism of Customer Satisfaction Index.
- 4Initialism of Companion of the Order of the Star of India.
- 5Initialism of consumer safety inspector.
This word in other languages
Frequency rank: #20,894 in English
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Nearby English words
Other entries that begin with the letter C in our English index: