approbation vs deference

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. 

deference

noun
  • The willingness to carry out the wishes of others. 

  • Great respect. 

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