mestizo vs red nigger

mestizo

noun
  • A person of mixed ancestry, especially one of Spanish and Native American heritage. 

  • a person of mixed ancestry, especially one of native Filipino and Spanish or Chinese ancestry, such as that of the Spanish mestizos and Chinese mestizos from the Spanish Colonial Era of the Philippines. 

red nigger

noun
  • A person of mixed Black and European descent. 

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