tzigane vs wanderer

tzigane

noun
  • A Hungarian Gypsy (Romani person). 

wanderer

noun
  • One who wanders, who travels aimlessly. 

  • Any of various far-migrating nymphalid butterflies of the genus Danaus. 

  • The wandering albatross, Diomedea exulans. 

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