call to arms vs prepare

call to arms

noun
  • An appeal to fight or to engage in conflict. 

  • An appeal to undertake a particular course of action or to support a specific cause; a call to action. 

prepare

verb
  • To make ready for a specific future purpose; to set up; to assemble or equip. 

  • To produce or make by combining elements; to synthesize, compound. 

  • To make ready for eating or drinking; to cook. 

  • To make oneself ready; to get ready, make preparation. 

How often have the words call to arms and prepare occurred in a corpus of books? (source: Google Ngram Viewer )