CoC
/siː oʊ siː/
"coc" is a 3-letter English headword indexed on PlainSpell.
The verdict
“CoC” is a moderately-common English word, ranked #40,621 in English word frequency and used as a noun.
- #40,621
- frequency rank, English
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of certificate of conformance.
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 | CoC |
| Language | English |
| Part of speech | Noun |
| IPA | /siː oʊ siː/ |
| Letters | 3 |
| Frequency rank | #40,621 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “CoC” sits in English frequency
Spelling & Dictionary Insight
The English entry for CoC is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /siː oʊ siː/. Corpus data places it at rank #40,621 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
CoC doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "CT", "CR", "cs", and more, where similar look or sound leads writers to substitute one word for another in context.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is CoC, spelled C-O-C.
Definition
- 1Initialism of certificate of conformance.
- 2Initialism of certificate of conduct.
- 3Initialism of code of conduct.
- 4Initialism of certificate of candidacy.
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
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Using “CoC”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-C - every other letter order is a misspelling in standard orthography.
- Say it as /siː oʊ siː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “CT” - see the side-by-side comparison. CoC vs CT
- Browse more English words and confusable pairs in the same reference. English 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.