tapioca vs yuca

tapioca

noun

  • A starchy food made from the cassava plant, used in puddings. 

  • The cassava plant, Manihot esculenta, from which tapioca is derived; manioc. 

yuca

noun

  • Cassava 

  • cassava root 

How often have the words tapioca and yuca occurred in a corpus of books? (source: Google Ngram Viewer )