# CoC vs conn

> English confusable word pair

## The two words

### CoC
*noun · IPA /siː oʊ siː/ · frequency rank #40,621*
Initialism of certificate of conformance.

### conn
*noun · IPA /kɑn/ · frequency rank #17,576*
The duty of directing a ship, usually used with the verb to have or to take and accompanied by the article "the."

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/coc-vs-conn