indirect vs lightning

indirect

noun
  • An indirect cost. 

  • An indirect radiator 

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

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 

lightning

noun
  • A flash of light produced by short-duration, high-voltage discharge of electricity within a cloud, between clouds, or between a cloud and the earth. 

  • Anything that moves very fast. 

  • A discharge of this kind. 

verb
  • To produce lightning. 

adj
  • Extremely fast or sudden; moving (as if) at the speed of lightning. 

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