olla podrida vs variosity

olla podrida

noun
  • A miscellaneous assortment or collection; a hodgepodge. 

  • A Spanish stew made from a mixture of highly seasoned meat and vegetables. 

variosity

noun
  • Synonym of variety 

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