contemplation vs previsualization

contemplation

noun
  • The act of contemplating; musing; being highly concentrated in thought 

  • The act of looking forward to a future event 

  • Holy meditation. 

  • The state of being considered or planned. 

previsualization

noun
  • Any technique that attempts to visualize a scene before the filming begins. 

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