proselytize vs urge

proselytize

verb
  • To advertise a non-religious belief, way of living, cause, point of view, (scientific) hypothesis, social or other position, political party, or other organization; to convince someone to join such a cause or organization or support such a position; to recruit someone. 

  • To advertise one’s religious beliefs; to convert (someone) to one’s own faith or religious movement or encourage them to do so. 

  • To coerce into religious conversion. 

urge

verb
  • To put mental pressure on; to ply with motives, arguments, persuasion, or importunity. 

  • To press; to push; to drive; to impel; to force onward. 

  • To present in an urgent manner; to insist upon. 

  • To press onward or forward. 

  • To be pressing in argument; to insist; to persist. 

  • To provoke; to exasperate. 

  • To press hard upon; to follow closely. 

noun
  • A strong desire; an itch to do something. 

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