persuader vs shillelagh

persuader

noun
  • An electrode that directs electrons into a multiplier. 

  • One who, or that which, persuades. 

  • A tool used to pack the type into the form. 

shillelagh

noun
  • A wooden (traditionally blackthorn (sloe) wood) club ending with a large knob. 

  • Any cudgel, whether or not of Irish origin. 

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