essay vs procrastinate

essay

noun
  • A written composition of moderate length, exploring a particular issue or subject. 

  • A proposed design for a postage stamp or a banknote. 

verb
  • To move forth, as into battle. 

procrastinate

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

  • To delay taking action; to wait until later. 

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