coca

coca {n} /ˈkoʊkə/ (the dried leaf of a South American shrub (Erythroxylon coca))

coca {f}

Coca-Cola {prop} (particular carbonated soft drink)

Coca-Cola {f}

cog {n} (type of ship)

coca {f}

coke {n} (short for cocaine)

coca {f}

Coke {n} (Coca-Cola)

coca {f}, coke {f}, Coca-Cola {f}