espouser vs sheeple

espouser

noun
  • One who espouses; one who embraces or adopts a cause. 

sheeple

noun
  • A person who unquestioningly accepts as true whatever their political leaders say or who adopts popular opinion as their own without scrutiny. 

  • People who unquestioningly accept as true whatever their political leaders say or who adopt popular opinion as their own without scrutiny. 

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