mestizo vs mongrel

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. 

mongrel

noun
  • Someone or something of mixed kind or uncertain origin, especially a dog. 

  • A thuggish, obnoxious, or contemptible person; (often preceded by "poor") a pitiable person. 

  • An erect penis; an erection. 

adj
  • Of mixed breed, nature, or origin; of or like a mongrel. 

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