Learn how to say Cokes correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word coke:
a solid-fuel product containing about 80 per cent of carbon produced by distillation of coal to drive off its volatile constituents: used as a fuel and in metallurgy as a reducing agent for converting metal oxides into metals
any similar material, such as the layer formed in the cylinders of a car engine by incomplete combustion of the fuel
to become or convert into coke
C17: probably a variant of C14 northern English dialect colk core, of obscure origin