indirect vs whistle-stop

indirect

adj
  • Not of obvious or immediate cause, but as a secondary result 

  • Not focused straight at the target or subject, but by more subtle means 

  • Not involving the quickest, shortest, or most convenient path 

noun
  • An indirect cost. 

  • An indirect radiator 

verb
  • To access by means of indirection; to dereference. 

whistle-stop

verb
  • To make a brief stop on a campaign tour to make a speech or perform some other type of public electioneering. 

noun
  • A small train station. 

  • A brief stop on a campaign tour to make a speech or perform some other type of public electioneering. 

adj
  • Extremely brief and hurried. 

How often have the words indirect and whistle-stop occurred in a corpus of books? (source: Google Ngram Viewer )