cocks / cox are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
cocks: (noun) obscene terms for penis. (noun) adult male chicken. (noun) adult male bird. (verb) tilt or slant to one side. (verb) set the trigger of a firearm back for firing.
cox: (verb) act as the coxswain, in a boat race.
cocks: k·AA·k·s
cox: k·AA·k·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)