acclaim vs approbation

acclaim

noun
  • An acclamation; a shout of applause. 

verb
  • To express great approval (for). 

  • To elect (a politician, etc.) to an office automatically because no other candidates run; elect by acclamation. 

  • To declare by acclamations. 

  • To salute or praise with great approval; to compliment; to applaud; to welcome enthusiastically. 

approbation

noun
  • The act of approving; an assenting to the propriety of a thing with some degree of pleasure or satisfaction; approval, sanction, commendation or official recognition. 

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