entreat vs go steady

entreat

noun
  • An entreaty. 

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. 

go steady

verb
  • To date one person regularly and exclusively. 

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