focusing vs perspicacity

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. 

perspicacity

noun
  • Acute discernment or understanding; insight. 

  • The human faculty or power to mentally grasp or understand clearly. 

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