focusing vs trepidation

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. 

trepidation

noun
  • A fearful state; a state of concern or hesitation. 

  • An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear. 

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