Romani vs wayfarer

Romani

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

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. 

adj
  • Of or belonging to the Roma people. 

wayfarer

noun
  • A traveller, especially one on foot. 

  • A type of glasses, with pointed ends and rounded bottoms. 

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