contemplation vs reverie

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. 

reverie

noun
  • A state of dreaming while awake; a loose or irregular train of thought; musing or meditation; daydream. 

  • An extravagant conceit of the imagination; a vision. 

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