grasp vs take in

grasp

verb
  • To understand. 

  • To take advantage of something, to seize, to jump at a chance. 

  • To grip; to take hold, particularly with the hand. 

noun
  • Understanding. 

  • That which is accessible; that which is within one's reach or ability. 

  • Grip. 

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 grasp and take in occurred in a corpus of books? (source: Google Ngram Viewer )