convenience vs optimize

convenience

verb
  • To make convenient 

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

  • The quality of being convenient. 

  • A convenient time. 

optimize

verb
  • To make (something) optimal. 

  • To become optimal. 

  • To act optimistically or as an optimist. 

  • To make (something) more efficient, such as a computer program. 

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