convenience vs métier

convenience

noun
  • Any object that makes life more convenient; a helpful item. 

  • The quality of being convenient. 

  • A convenient time. 

verb
  • To make convenient 

métier

noun
  • An activity to which a person is particularly suited. 

  • Any activity that is pursued as a trade or profession; a calling. 

  • An outstanding or beneficial feature. 

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