recognition vs restriction

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. 

restriction

noun
  • The act of restricting, or the state of being restricted. 

  • A regulation or limitation that restricts. 

  • The mechanism by which a cell degrades foreign DNA material. 

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