admiration vs approbation

admiration

noun
  • A positive emotion including wonder and approbation; the regarding of another as being wonderful 

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 admiration and approbation occurred in a corpus of books? (source: Google Ngram Viewer )