pleb vs tzigane

pleb

noun
  • A common person, an unsophisticated or cultureless person. 

  • A commoner, a member of the lower class of a society. 

  • A freshman cadet at a military academy. 

adj
  • Of or concerning the lower class of a society. 

  • Undistinguished, commonplace, unsophisticated, vulgar, coarse. 

tzigane

noun
  • A Hungarian Gypsy (Romani person). 

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