On our CodyCross answers based website we have the solution for Informal name for English-French undersea trench. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for Informal name for English-French undersea trench by scrolling down which is part of CodyCross Spy World Group Puzzle 5.