learn vs perceive

learn

verb
  • To come to know; to become informed of; to find out. 

  • To acquire, or attempt to acquire knowledge or an ability to do something. 

  • To attend a course or other educational activity. 

  • To teach. 

  • To gain knowledge from a bad experience so as to improve. 

  • To study. 

noun
  • The act of learning something 

perceive

verb
  • To become aware of, through the physical senses, to see; to understand. 

  • To interpret something in a particular way 

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