entreat vs request

entreat

verb
  • To treat with, or in respect to, a thing desired; hence, to ask for earnestly. 

  • To beseech or supplicate (a person); to prevail upon by prayer or solicitation; to try to persuade. 

noun
  • An entreaty. 

request

verb
  • To ask for (something). 

  • To ask (somebody) to do something. 

noun
  • A message sent over a network to a server. 

  • Act of requesting (with the adposition at in the presence of possessives, and on in their absence). 

  • Condition of being sought after. 

  • A formal message requesting something. 

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