learn vs lecture

learn

verb
  • To teach. 

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

  • To attend a course or other educational activity. 

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

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

  • To study. 

noun
  • The act of learning something 

lecture

verb
  • To teach (somebody) by giving a speech on a given topic. 

  • To preach, to berate, to scold. 

noun
  • a class that primarily consists of a (weekly or other regularly held) lecture (as in sense 1) 

  • A berating or scolding. 

  • A spoken lesson or exposition, usually delivered to a group. 

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