grasp vs recognition

grasp

noun
  • Understanding. 

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

  • Grip. 

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

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

  • To understand. 

recognition

noun
  • The act of recognizing or the condition of being recognized (matching a current observation with a memory of a prior observation of the same entity). 

  • Acceptance as valid or true. 

  • Honour, favourable note, or attention. 

  • A return of the feu to the superior. 

  • Official acceptance of the status of a new government by that of another country. 

  • The propriety consisting for antibodies to bind to some specific antigens and not to others. 

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