discern vs take in

discern

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

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

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

  • To perceive differences. 

take in

verb
  • To absorb or comprehend. 

  • To allow a person or an animal to live in one's home. 

  • To receive (goods) into one's home for the purpose of processing for a fee. 

  • To enjoy or appreciate. 

  • To deceive; to hoodwink. 

  • To tighten (a belaying rope). (Also take up.) 

  • To shorten (a garment) or make it smaller. 

  • To attend a showing of. 

  • To reef. 

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