Caló vs Romani

Caló

name
  • a mixed language or dialect spoken by the Spanish and Portuguese Romani. 

  • an argot spoken by pachuco Chicanos in the United States in the early 20th century. 

Romani

name
  • The Indo-Aryan lect of the Roma people, or one of its sublects (such as Roma, Sinti, Romanichal, etc), closely related to Hindi and Rajasthani. 

noun
  • A member of the Roma, a nomadic people with origins in India. 

adj
  • Of or belonging to the Roma people. 

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