barbaric vs lumpen

barbaric

adj
  • of or relating to a barbarian; uncivilized, uncultured or uncouth 

lumpen

adj
  • Of or relating to the lumpenproletariat. 

  • Plebeian. 

  • Of or relating to social outcasts. 

  • Lump-like. 

verb
  • To make or become like lumps; make or become lumpy 

noun
  • A member of the lumpenproletariat. 

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