expedite vs procrastinate

expedite

verb
  • To perform (a task) fast and efficiently. 

  • To accelerate the progress of. 

  • To perform the duties of an expediter. 

adj
  • Expeditious; quick; prompt. 

  • Free of impediment; unimpeded. 

procrastinate

verb
  • To put off; to delay (something). 

  • To delay taking action; to wait until later. 

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