focusing vs headquarters

focusing

noun
  • The action of the verb to focus. 

adj
  • Used for or pertaining to focusing. 

  • Pertaining to the direction of attention, effort, or energy to a particular audience or purpose over time. 

headquarters

noun
  • A place of concentrated activity or influence. 

  • The center of an organization's operations or administration. 

  • The military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff. 

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