inducement vs warning

inducement

noun
  • An incentive that helps bring about a desired state. In some contexts, this can imply bribery. 

  • An introductory statement of facts or background information. 

  • The act of placing a port on a vessel's itinerary because the volume of cargo offered at that port justifies the cost of routing the vessel. 

warning

noun
  • Something spoken or written that is intended to warn. 

  • The action of the verb warn; an instance of warning someone. 

intj
  • Used to warn of danger in signs and notices. 

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