What is the common name of a cassava?

A tropical woody plant grown for its starchy root, Manihot esculenta is know by the common names cassava, mandioc, mandioca, manihot, tapioca and yuca. It is in the same plant family as poinsettia, croton and crown-of-thorns and is a very important agricultural crop, providing carbohydrates to a significant portion of the worlds population.