discern vs notice

discern

verb
  • To detect with the senses, especially with the eyes. 

  • To distinguish something as being different from something else; to differentiate. 

  • To perceive, recognize, or comprehend with the mind; to descry. 

  • To perceive differences. 

notice

verb
  • To become aware of; to observe. 

  • To be noticeable; to show. 

noun
  • A published critical review of a play or the like. 

  • A written or printed announcement. 

  • Advance notification of termination of employment, given by an employer to an employee or vice versa. 

  • The act of observing; perception. 

  • A formal notification or warning. 

  • Prior notification. 

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