convenience vs propitiate

convenience

verb
  • To make convenient 

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

  • The quality of being convenient. 

  • A convenient time. 

propitiate

verb
  • To make propitiation. 

  • To make propitious or favourable. 

  • To conciliate, appease, or make peace with someone, particularly a god or spirit. 

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