indirect vs upfront

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. 

upfront

adv
  • beforehand 

  • As an attacker. 

adj
  • Honest, frank and straightforward. 

  • In a forward, leading or frontward position. 

  • Paid in advance. 

verb
  • To bring to the fore; to place up front for consideration 

noun
  • A meeting of network executives with the press and major advertisers, signaling the start of advertising sales for a new season 

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