humble vs proletarian

humble

verb
  • To make humble or lowly; to make less proud or arrogant; to make meek and submissive. 

  • To defeat or reduce the power, independence, or pride of 

noun
  • An arrest based on weak evidence intended to demean or punish the subject. 

adj
  • Not pretentious or magnificent; unpretending; unassuming. 

  • Having a low opinion of oneself; not proud, arrogant, or assuming; modest. 

proletarian

adj
  • Of or relating to the proletariat. 

noun
  • A member of the proletariat. 

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