convenience vs utilise

convenience

verb
  • To make convenient 

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

  • The quality of being convenient. 

  • A convenient time. 

utilise

verb
  • To make useful; to find a practical use for. 

  • To make use of; to use. 

  • To make do with; to use in manner different from that originally intended 

  • To make best use of; to use to its fullest extent, potential, or ability. 

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